The ZT-2800 has 10cc variable displacement seven piston pump and a 16cc fixed displacement seven piston motor and are serviceable transmissions with the filters. They use the zt2800 in there high end residential along at times the 3100. Whether there worth the extra money for you or not is up to you. I can tell you I use the ZT 2800 's in my ...Business hours Monday to Fridays: 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status. Sign In or Register. Cart. Seal Kit. Center Section Kit. Filters. ZT 3200 Parts Lookup. Policies. Reviews.1. ISX™ 3300 Zero Turn Mowers. The ISX 3300 features a powerful vanguard engine. This engine also has been used on several other Ferris lawnmowers that have come out in the past. Its wide 61-inch cutting deck is what enables the ISX mower to provide you with a top-notch cutting performance.ZT-2800 Z-T3100 ZT-3200 SERVICE AND REPAIR MANUAL ZH- ZH-GABB-6LDB-27RX Parts & Service Schematic ZH-GABB-ULDB-27RX Parts & Service Schematic ZH-GBBB-6L8B-36LC Parts & Service Schematic ZH-GBBB-6L8B-36LX Parts & Service Schematic ZH-GBBB-6L8B-36XC Parts & Service Schematic ZH-GBBB-6L8B-36XD Parts Hydro Gear Transmission Filter. Larger Photo. Part# B1HP600. Hydro-Static Transmission Filter used by Hydro Gear Transaxle models: ZT-2800, ZT-3100, ZT-3200, ZT-3400, and ZT-3600. Replaces Ariens/Gravely OEM# 21545100. Replaces Bad Boy OEM# 063-1050-00. Replaces Bush Hog OEM# 50052929.EZ 5221 KAA mod# 968999292 Mfg 2006 Hydro gear #Zh-GCEE-1BXX EZ 5221 KAA mod####-##-#### Mfg 2006 Hydro gear #Zh-GCEE-1BXX Have leak in right side pump on bottom that looks like a plate removeable by two bolts, below pulley/fan assembly, the same right side pum … Price Comparison: HydroGear is way more expensive than the Tuff Torq TZT7-M. They cost around $600-700 while Tuff Torq TZT-M approximately costs around $300-400. 5. Maintenance: Many people mistake non-servicable as non-rebuildable. Hydros like the EZT (HydroGear) and the Tuff Torq TZ17-M are non-serviceable. Apr 28, 2015 · "The ZT-2800, ZT-3100, ZT-3200 and ZT-3400 have an internal cog style parking brake. It is essential to fully disengage the brake prior to operation." Usually, warnings like that in a service manual suggest that this may be a common source of trouble. troubleshooting the Hydro-Gear 310-2200 EZT ® Integrated Zero-Turn Transaxle. Also included is a glossary of terms that are frequently used throughout the industry and in Hydro-Gear service publications. Understand-ing terminology is very important! It is necessary, and a good shop practice, that your service area be equipped with the properMay 31, 2012 / Transmissions choices. #3. WISCOPROUD said: parker is a better trans. Snapper Pro also uses them. Hydro gear 3400 more residential. Parker is intermediate commercial. FYI The ZT-3400 transaxle was designed for larger commercial applications. The ZT-3400´s large 12cc variable displacement seven piston pump and 16cc fixed ...To put it in layman's terms, :smile: The hydro gears transaxles setups are all basically the same. The ZT-3100/3400/5400 are all commercial units. The differences are the sizes of the pumps and motors in each. Check there site Hydro-Gear Hydrostatic Drives Transmissions and Transaxles it can or will explain it better than than anyone can.Aug 24, 2014 · 1 - 10 of 10 Posts. Looks like there around 750$ ouch. Open the bypass on both axles, and cycle the joy sticks a few times with the engine running. Then try it again. I have 600 hrs on a max zoom. My RH hydrostat started to make noise and lost all power. It shudders and has a very distinct whine to it. Hydro-Gear Drivetrain Solutions | Home©2021 Hydro-Gear | www.hydro-gear.com • Commercial grade transmission with high-efficiency 10cc pump & 16cc motor • Performance package - Shock valves, Cut steel gears, and Charge pump • Durable 1-1/8" axle for heavier loads • Optional internal expansion tank for easier installation • Standard shock valves for added system protectionModels like the ZT-3100 and the ZT-3400 will have upgraded axles and bearings and will be better suited for long hours of commercial use. Hydro-Gear also offers larger and more productive commercial models including the ZT-5400 that offers two-speed operation up to 18 miles per hour for transporting. Locking DifferentialsThe model and configuration of the ZT-2200 and ZT-2100 can be determined from the label shown in Figure 3. Figure 3. Configuration Label HYDRO-GEAR Assembled in USA ear Built ZC-BUBB-2L5B-2LPX 8 275 B1 476 -001 BOM Model Number Date (Julian- Day of year) Serial Number (unique for that model - for that day) Type of Product and Build Information Sep 1, 2021 · Smartec ZT-2800e System Production Launches; Huntingdon Factory Gains ISO Certification; New Smartec electric products debut at GIE+EXPO 2021; Hydro-Gear selects Huntingdon, TN for its fourth U.S. location In light commercial applications where you need a little more power, look no further than the Hydro-Gear ZT-3200™. In addition to the smooth, high-efficiency 10cc pump and 16cc motor, this system features a durable 1-1/8” axle shaft and delivers an impressive 470 ft. lbs. of torque.Repeat steps 6 and 7 three times. This purges any air from the hydraulic transmission system. Put the control levers in neutral (N). Shut the engine off and set the parking brake. Check the oil and top off if necessary. Engage transmission. Remove from jackstands, start the engine, and disengage the brake.If I recall, Hustler calls for a hydro oil and filter change every 200 hours, according to their maintenance schedule. Hydro-Gear calls for a hydro oil and filter change every 400 hours, according to their service manual. I plan on a 200 hour schedule for my Toro. This is right out of Hydro-Gear’s 2021 service and repair manual on Page 9.Smartec ZT-2800e System Production Launches; Huntingdon Factory Gains ISO Certification; New Smartec electric products debut at GIE+EXPO 2021; Hydro-Gear selects Huntingdon, TN for its fourth U.S. location1,685. Nov 22, 2018 / ZT 3400 Hydrogear Longevity. #6. I've only got 300 hours on my 3400 trans with no issues so I don't think that helps. But I wanted to say that I am very impressed with how smoothly the hydros operate on my Bob-Cat. Much smoother than the pump and wheel motor combo on my Exmark.Mowers Direct | Lawn Mowers & Lawn Equipment 1 - 10 of 10 Posts. Looks like there around 750$ ouch. Open the bypass on both axles, and cycle the joy sticks a few times with the engine running. Then try it again. I have 600 hrs on a max zoom. My RH hydrostat started to make noise and lost all power. It shudders and has a very distinct whine to it.Consult Hydro-Gear's ZT-3100 ™ brochure on DirectIndustry. Page: 1/2. Smooth & quiet operation An entry-level commercial-grade transaxle Durable 1 inch axle for heavy loads High efficiency 10cc pump & 16cc motor Included shock valves to protect the system and extend its life use in small engines, riding mower engines, tractor engines and other products that use Hydro-Gear. Category HYDRO GEAR TRANSAXLE ZT-3100 Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status Smartec ZT-2800e System Production Launches; Huntingdon Factory Gains ISO Certification; New Smartec electric products debut at GIE+EXPO 2021; Hydro-Gear selects Huntingdon, TN for its fourth U.S. locationuse in small engines, riding mower engines, tractor engines and other products that use Hydro-Gear. Category HYDRO GEAR TRANSAXLE ZT-3200 Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status Inexpensive 54 inch stamped deck ONLY! Hydro-Gear ZT 2200 (EZT) up to 215 lb-ft, up to 7 mph, Total Weight 900 LBS, Axle Shaft Diameter 1.00 in. Residential mowers, flat/gently sloping, 2-3 bin baggers, 3-5 acres at a time. (Comparable to the K46 in your lawn tractor but with stronger axles)There seems to be a problem serving the request at this time. ... Bad Boy ZT Elite Hydraulic Filters 063-1050-00 2800 3100 3200 Hydro Gear. ... ZT-3200 ,& ZT-3400.9,474. Oct 5, 2019 / HydroGear ZT-3100 Cavitation problems! #6. A more high pitched whine is normal for most hydraulic system pumps. the deeper growling type noise is more common with internal damage. The drive shouldn't be that hard to purge. Jack the wheel up, pull the bypass and start the mower at idle.The model and configuration of the ZT-2200 and ZT-2100 can be determined from the label shown in Figure 3. Figure 3. Configuration Label HYDRO-GEAR Assembled in USA ear Built ZC-BUBB-2L5B-2LPX 8 275 B1 476 -001 BOM Model Number Date (Julian- Day of year) Serial Number (unique for that model - for that day) Type of Product and Build InformationMay 9, 2016 · Ntran · #6 · Jun 30, 2016. Both are rated commercial by Hydro Gear. 3100 is entry level with 350lb-ft of output torque and gross vehicle weight of 1,200lbs vs 3400 (500 lb-ft and 1,600lb). The ZT3,400 usually equipped on heavier mowers. For personal use, any of these would serve you well for years with proper maintenance. Dec 30, 2013 · The ZT-2800 has 10cc variable displacement seven piston pump and a 16cc fixed displacement seven piston motor and are serviceable transmissions with the filters. They use the zt2800 in there high end residential along at times the 3100. Whether there worth the extra money for you or not is up to you. I can tell you I use the ZT 2800 's in my ... · Hydrostatic Hydro-Gear ZT-2800. This transmission is designed to do well in most residential conditions and is ideal for uneven terrain, slopes or toting attachments more than 150-lbs. It features an integrated transaxle with 10cc variable displacement seven-piston pump and a 16cc fixed displacement seven-piston motor.The ZT-5400 Powertrain utilizes an internal in-line fl oating disc brake controlled by a “cam” style actuating arm. INTRODUCTION The purpose of this manual is to provide in-formation useful in servicing the Hydro-Gear ® ZT-5400 Powertrain™ Hydrostatic Transaxle. This manual includes the ZT-5400 Powertrain’s use in small engines, riding mower engines, tractor engines and other products that use Hydro-Gear. Category HYDRO GEAR TRANSAXLE ZT-3100 Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order StatusThe Diamondback is a commercially built and consumer priced workhorse. The 23 horsepower Kawasaki FR691V engine and Hydro-Gear ZT-3200 transmission guarantees a fast, smooth ride every time. With a three-year limited warranty, you will come to love the reliability, exceptional value and world-proven performance that Worldlawn provides. May 9, 2016 · Ntran · #6 · Jun 30, 2016. Both are rated commercial by Hydro Gear. 3100 is entry level with 350lb-ft of output torque and gross vehicle weight of 1,200lbs vs 3400 (500 lb-ft and 1,600lb). The ZT3,400 usually equipped on heavier mowers. For personal use, any of these would serve you well for years with proper maintenance. We would like to show you a description here but the site won’t allow us.Hydro Gear ZT-5400 Transaxle. DESCRIPTION. The ZT-5400 Powertrain® is Hydro Gear's largest and most capable transaxle. Providing speeds up to 18 mph, this system powers through the largest jobs. FEATURES. Heavy duty 1.375 in axle. Integrated 16cc pump & 21cc motor. Standard shock valves for added system protection. ZT 5400 BROCHURE. Sep 3, 2012 · To put it in layman's terms, :smile: The hydro gears transaxles setups are all basically the same. The ZT-3100/3400/5400 are all commercial units. The differences are the sizes of the pumps and motors in each. Check there site Hydro-Gear Hydrostatic Drives Transmissions and Transaxles it can or will explain it better than than anyone can. 1 - 10 of 10 Posts. MowDaddy · #2 · Dec 25, 2018. The hydrogear transaxles are capable of 10mph. But the machine they are on may not be. It depends on bladetip speed, and quality of cut. And available power. Pully ratios on mowers are all different. You can't travel faster than the deck can process clippings.May 11, 2016 · C. Choppin · #10 · Jun 8, 2018. I have had both and the unitized Parker 16cc are way more responsive and take less power to run than the 16cc pump and wheel motors. You can push full sticks fast with the unitzed on my Spartan the it hardly changes the sound of the motor. THE BEST BUDGET ZERO TURN FOR LANDSCAPERS. The IS ® 600 is a compact zero turn with the productivity and comfort features landscapers are looking for. Featuring our patented suspension technology, heavy-duty Hydro-Gear ® ZT-3200™ Drive System, and speeds up to 10 mph, this mower can tackle tight spaces while providing maximum ...Description. ZT-3100® DESCRIPTION The ZT-3100® is Hydro-Gear's entry-level commercial-grade transaxle. Providing all the power you've come to expect from our commercial-grade products. FEATURES Commercial-grade design for heavier loads Standard charge pump for increased performance External oil filter for easier maintenance.As it was mentioned, obviously, that is not a drain plug but rather the brake shaft. Hydro-Gear has a few different service kits depending on the specific trans setup (brake arm inboard or outboard) to take care of the leak. It appears mower OEM's (Bob-Cat at least) offers the kits also for their mowers.Nov 22, 2013 · 31. Messages. 295. Nov 22, 2013 / HydroGear ZT-2800 Oil Change Issue. #1. I have a question for you experts. This May I purchased a new Toro MX5060 with the ZT-2800. Being anal, I decided to change the oil / filters on the Hydro Drives. Everything went smoothly (except for one really stubborn oil filter), until I went to purge the units. Parts List Specifications Troubleshooting Service & Maintenance Information PUMPS P Series - PC, PG, PE, PJ, PK, PR, PW, PY 1 file (s) 9 MB Download PL 1 file (s) 6 MB Download MOTORS HEM 1 file (s) 2 MB Download HGM-C 1 file (s) 2 MB Download HGM-E 1 file (s) 2 MB Download HGM-H 1 file (s) 4 MB Download HGM-P 1 file (s) 2 MB Download PRMI have the transaxle removed from my Husqvarna YTH20K46 lawn tractor to repair broken mount that axle bolts to. It is equipped with the hydro gear T2 transaxle. Thought I might drain and refill the fluid at this point with almost 400 hours on the unit. I managed to find a service manual that says I need just over 2qts of 20w50 motor oil.The Diamondback is a commercially built and consumer priced workhorse. The 23 horsepower Kawasaki FR691V engine and Hydro-Gear ZT-3200 transmission guarantees a fast, smooth ride every time. With a three-year limited warranty, you will come to love the reliability, exceptional value and world-proven performance that Worldlawn provides. Sep 1, 2020 · Thus, am considering something like a Hustler Raptor, 42". Has ZT-2200s. IMO the 1" axle makes me happier. If I really did it, I'd get 2800s - I know. But the Raptor would cut this in 20 minutes giving me less than 20 hours / year on the thing. I don't know what you guys think of those big box JDs with their low-end hydro. Bang for the buck I ... The Diamondback is a commercially built and consumer priced workhorse. The 23 horsepower Kawasaki FR691V engine and Hydro-Gear ZT-3200 transmission guarantees a fast, smooth ride every time. With a three-year limited warranty, you will come to love the reliability, exceptional value and world-proven performance that Worldlawn provides. Nov 22, 2013 · 31. Messages. 295. Nov 22, 2013 / HydroGear ZT-2800 Oil Change Issue. #1. I have a question for you experts. This May I purchased a new Toro MX5060 with the ZT-2800. Being anal, I decided to change the oil / filters on the Hydro Drives. Everything went smoothly (except for one really stubborn oil filter), until I went to purge the units. He stated that the best thing for preventative maintenance was to cut you mfg recommended interval in half….and not expect much more than 1000hrs of service of the ZT2800-ZT3100 transaxles. Longevity goes up from there with ZT-3400 etc but not by all that much. Conversely ZT-2200 etc and lower, the average is a couple of hundred hours.Mar 22, 2021 · Use only SAE 20W50 SL/SM service motor oil. Initial system oil and filter change must be after the first 75 hours of use or 1 year whichever comes first. Thereafter, replace filter and oil in each transmission every 2 years or 200 hours, whichever comes first. NOTE: The filter guard must be removed to access filter. Sep 3, 2012 · To put it in layman's terms, :smile: The hydro gears transaxles setups are all basically the same. The ZT-3100/3400/5400 are all commercial units. The differences are the sizes of the pumps and motors in each. Check there site Hydro-Gear Hydrostatic Drives Transmissions and Transaxles it can or will explain it better than than anyone can. Description. ZT-3100® DESCRIPTION The ZT-3100® is Hydro-Gear's entry-level commercial-grade transaxle. Providing all the power you've come to expect from our commercial-grade products. FEATURES Commercial-grade design for heavier loads Standard charge pump for increased performance External oil filter for easier maintenance. I'm looking at the gravely pro turn 160 and ferris 700is that both have the Dual Hydro-Gear ZT-3400 transaxles with 7" mounted cooling fans. Versus a grasshopper 226v with Smooth H1 hydrostatic pump and wheel motor drive system with cooling fans and 7 micron absolute filter. And a scag tiger cat with Dual Pumps; 10cc displacement, Hydro-Gear.Thus, am considering something like a Hustler Raptor, 42". Has ZT-2200s. IMO the 1" axle makes me happier. If I really did it, I'd get 2800s - I know. But the Raptor would cut this in 20 minutes giving me less than 20 hours / year on the thing. I don't know what you guys think of those big box JDs with their low-end hydro. Bang for the buck I ...The ZT-3600™ is designed for premium commercial applications. It boasts an all-steel drive train and an advanced rotating kit for amazing maneuverability in tight spaces. The high-efficiency 12cc pump, 16cc motor, and brawny 1-1/8” axle shaft ensure you have enough torque to take on any job. The Performance Package includes shock valves to ...Price Comparison: HydroGear is way more expensive than the Tuff Torq TZT7-M. They cost around $600-700 while Tuff Torq TZT-M approximately costs around $300-400. 5. Maintenance: Many people mistake non-servicable as non-rebuildable. Hydros like the EZT (HydroGear) and the Tuff Torq TZ17-M are non-serviceable. Repeat steps 6 and 7 three times. This purges any air from the hydraulic transmission system. Put the control levers in neutral (N). Shut the engine off and set the parking brake. Check the oil and top off if necessary. Engage transmission. Remove from jackstands, start the engine, and disengage the brake.troubleshooting the Hydro-Gear 310-2200 EZT ® Integrated Zero-Turn Transaxle. Also included is a glossary of terms that are frequently used throughout the industry and in Hydro-Gear service publications. Understand-ing terminology is very important! It is necessary, and a good shop practice, that your service area be equipped with the properConclusion. Overall, hydro gear ZT 3100’s performance is rather better than other transaxles. Because it shows the common problems like oil leaking, noisy transmissions, overheating, lack of power, etc. that you may face in any other machines. You can avoid these problems with proper maintenance.Jan 2, 2015 · Reply Save Like 1 - 5 of 5 Posts V viper8524 · #2 · Jan 3, 2015 Did the new charge pump come in a kit with a new heavy duty cast cover? One thing that is very common on most hydrogear pumps and UHTs is when techs and owners remove the charge pumps they dont reinstall the covers correctly. Hydro-Gear is the world’s leading manufacturer of drivetrain solutions for everything from industrial machines to residential mowers. ... ZT-3100 ; ZT-3200 ; ZT ... Hydro Gear ZT-5400 Transaxle. DESCRIPTION. The ZT-5400 Powertrain® is Hydro Gear's largest and most capable transaxle. Providing speeds up to 18 mph, this system powers through the largest jobs. FEATURES. Heavy duty 1.375 in axle. Integrated 16cc pump & 21cc motor. Standard shock valves for added system protection. ZT 5400 BROCHURE.I'm looking at the gravely pro turn 160 and ferris 700is that both have the Dual Hydro-Gear ZT-3400 transaxles with 7" mounted cooling fans. Versus a grasshopper 226v with Smooth H1 hydrostatic pump and wheel motor drive system with cooling fans and 7 micron absolute filter. And a scag tiger cat with Dual Pumps; 10cc displacement, Hydro-Gear.use in small engines, riding mower engines, tractor engines and other products that use Hydro-Gear. Category HYDRO GEAR TRANSAXLE ZT-3100 Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order StatusMay 16, 2016 · If it is not, fill to the specifications outlined. in the Check / Fill Transmission Oil Level procedure. Purging Air from the Hydraulic System: 1. Chock the front wheels to prevent the machine from rolling. Raise the rear of the machine so that the vehicle’s rear tires. do not contact the ground. 1. ISX™ 3300 Zero Turn Mowers. The ISX 3300 features a powerful vanguard engine. This engine also has been used on several other Ferris lawnmowers that have come out in the past. Its wide 61-inch cutting deck is what enables the ISX mower to provide you with a top-notch cutting performance.1 - 10 of 10 Posts. Looks like there around 750$ ouch. Open the bypass on both axles, and cycle the joy sticks a few times with the engine running. Then try it again. I have 600 hrs on a max zoom. My RH hydrostat started to make noise and lost all power. It shudders and has a very distinct whine to it."The ZT-2800, ZT-3100, ZT-3200 and ZT-3400 have an internal cog style parking brake. It is essential to fully disengage the brake prior to operation." Usually, warnings like that in a service manual suggest that this may be a common source of trouble.Hydro Gear Transmission Filter. Larger Photo. Part# B1HP600. Hydro-Static Transmission Filter used by Hydro Gear Transaxle models: ZT-2800, ZT-3100, ZT-3200, ZT-3400, and ZT-3600. Replaces Ariens/Gravely OEM# 21545100. Replaces Bad Boy OEM# 063-1050-00. Replaces Bush Hog OEM# 50052929.6. Jun 1, 2014 / Hydraulic oil type. #1. I just read an earlier informative post on changing the hydraulic oil on the Hydro-Gear ZT 3100 trans-axle system. My mower (Gravely) has the ZT 3200 with essentially the same instructions for the procedure in the Gravely Owner's manual. My question concerns the oil that is used.
May 16, 2016 · If it is not, fill to the specifications outlined. in the Check / Fill Transmission Oil Level procedure. Purging Air from the Hydraulic System: 1. Chock the front wheels to prevent the machine from rolling. Raise the rear of the machine so that the vehicle’s rear tires. do not contact the ground. . Closest atandt corporate store
ZT -3100 hydro gear is leaking. I have a Hustler Fastrak 48”. It started leaking oil from the charge pump cover last year. The nuts were loose and I tightened them. It started leaking again this year and when I tried to retighten the nuts, they will not tighten and seemed stripped or something because they will not get right.Get Hydro-Gear ZT-2800-ZT-3100-ZT-3200 ZT-3400 SN BLN-52441 parts manual. Save time and money with detailed assembly, troubleshooting, and maintenance tips. Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order StatusFind and download Service & Repair Manuals that contain valuable information. about your Hydro-Gear Products. In these manuals you will find: Product Identification Information. Diagrams. Parts List. Specifications. Troubleshooting. Service & Maintenance Information. https://amzn.to/2ElkYnX Gearwrench flex head ratchethttps://amzn.to/2Em8Gf8 Snap Ring pliers sethttps://amzn.to/2YJTFeZ Milwaukee High Torque 1/2" impact M18...ZT-3400® is a mid-sized commercial transmission that performs truck-like work yet delivers unmatched maneuverability in tight spaces. It starts with a strong, high-efficiency 12cc pump, 16cc motor, and sturdy 1-1/8” axle shaft for heavier loads. The Performance Package then adds shock valves to extend system life, durable cut steel gears ... This video goes over how to change oil and filters on the Hydro Gear ZT-2800, ZT-3100, ZT-3200, ZT-3400, ZT-3600, and ZT-3800. You can save a lot of money by...Hydro Gear ZT-5400 Transaxle. DESCRIPTION. The ZT-5400 Powertrain® is Hydro Gear's largest and most capable transaxle. Providing speeds up to 18 mph, this system powers through the largest jobs. FEATURES. Heavy duty 1.375 in axle. Integrated 16cc pump & 21cc motor. Standard shock valves for added system protection. ZT 5400 BROCHURE.May 30, 2012 · May 31, 2012 / Transmissions choices. #3. WISCOPROUD said: parker is a better trans. Snapper Pro also uses them. Hydro gear 3400 more residential. Parker is intermediate commercial. FYI The ZT-3400 transaxle was designed for larger commercial applications. The ZT-3400´s large 12cc variable displacement seven piston pump and 16cc fixed ... Conclusion. Overall, hydro gear ZT 3100’s performance is rather better than other transaxles. Because it shows the common problems like oil leaking, noisy transmissions, overheating, lack of power, etc. that you may face in any other machines. You can avoid these problems with proper maintenance.use in small engines, riding mower engines, tractor engines and other products that use Hydro-Gear. Category HYDRO GEAR TRANSAXLE ZT-3100 Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order StatusKeep your machine's transaxles performing at optimum levels with routine maintenace. Hydro-Gear helps you take the guess-work out of which oil and oil filter to use in your Hydro-Gear ZT-3200 transaxles with our Hydro-Gear Commercial Transaxle Oil Service Kit. With this all-in-one kit you can quickly and easily perform an oil change on both ...9,474. Oct 5, 2019 / HydroGear ZT-3100 Cavitation problems! #6. A more high pitched whine is normal for most hydraulic system pumps. the deeper growling type noise is more common with internal damage. The drive shouldn't be that hard to purge. Jack the wheel up, pull the bypass and start the mower at idle.Consult Hydro-Gear's ZT-3100 ™ brochure on DirectIndustry. Page: 1/2. Smooth & quiet operation An entry-level commercial-grade transaxle Durable 1 inch axle for heavy loads High efficiency 10cc pump & 16cc motor Included shock valves to protect the system and extend its life.