The Kubota Z422 uses a hydrostatic Hydro-Gear ZT3600 transmission, with Infinite forward and reverse, a top forward speed of 5 mph (8 km/h), and reverse speed of 5 mph (8 km/h). Service details captured: oil capacity 7.9 qt (7.5 L).
Kubota Z422 Transmission Specs
| Transmission type | Hydrostatic |
|---|---|
| Transmission name / model | Hydro-Gear ZT3600 |
| Gears / ranges / speeds | Infinite forward and reverse |
| Forward speed | 5 mph (8 km/h) |
| Reverse speed | 5 mph (8 km/h) |
| Transmission oil capacity | 7.9 qt (7.5 L) |
Transmission Comparison Charts
Forward speed comparison
Reverse speed comparison
Transmission oil capacity comparison
Kubota Z422 Transmission Notes
| Transmission type note | The transmission type is the headline spec here. On the Kubota Z422, the clean captured type is Hydrostatic |
|---|---|
| Gears and range note | The captured gears/ranges detail for the Kubota Z422 is Infinite forward and reverse. Hydrostatic setups usually matter more for control feel than fixed gear count |
| Forward / reverse speed note | The useful speed numbers are 5 mph (8 km/h) forward and 5 mph (8 km/h) reverse. That gives a better driving comparison than transmission type alone |
| Fluid and service note | For service work, the captured transmission oil capacity is 7.9 qt (7.5 L). Confirm the approved fluid type before servicing |
| Buyer takeaway | If you are comparing tractors, judge the Kubota Z422 from Hydrostatic, Infinite forward and reverse, and 5 mph (8 km/h), not horsepower alone. Transmission setup decides how the tractor actually drives |
| Source summary | type: Hydrostatic; gears/speeds: Infinite forward and reverse; forward speed: 5 mph (8 km/h); reverse speed: 5 mph (8 km/h); oil capacity: 7.9 qt (7.5 L) |
Kubota Z422 Transmission FAQ
Is the Kubota Z422 hydrostatic or gear drive?
The clean captured transmission type for the Kubota Z422 is Hydrostatic. Use that as the first answer, then check gears/ranges and travel speed.
Does the Kubota Z422 have fixed gears?
The listed transmission detail is Infinite forward and reverse. If the tractor is hydrostatic, treat this as range/speed information rather than a normal manual gear count.
How fast does the Kubota Z422 go?
The Kubota Z422 is listed at 5 mph (8 km/h) forward and 5 mph (8 km/h) reverse.
Is the Kubota Z422 transmission oil capacity listed?
Yes, the listed capacity is 7.9 qt (7.5 L). Confirm the correct fluid type before servicing.
What should I check before buying a used Kubota Z422?
Confirm the exact transmission type, test forward and reverse operation, check for fluid leaks, and verify any service history for the transmission or transaxle.
Mistakes do happen. Tractor transmission specs can change by year, market, serial range, transaxle, trim and option package. Please check the operator manual, service manual, build sheet and official kubotausa.com website for official transmission information before servicing or buying parts.






