The Kubota Z125E uses a hydrostatic Hydro-Gear ZT3100 transmission, with Infinite forward and reverse, a top forward speed of 8.4 mph (13.5 km/h), and reverse speed of 4.5 mph (7.2 km/h).
Kubota Z125E Transmission Specs
| Transmission type | Hydrostatic |
|---|---|
| Transmission name / model | Hydro-Gear ZT3100 |
| Gears / ranges / speeds | Infinite forward and reverse |
| Forward speed | 8.4 mph (13.5 km/h) |
| Reverse speed | 4.5 mph (7.2 km/h) |
Transmission Comparison Charts
Forward speed comparison
Reverse speed comparison
Kubota Z125E Transmission Notes
| Transmission type note | The key drivetrain answer for the Kubota Z125E is Hydrostatic. That matters first because transmission type changes how the tractor feels more than a small horsepower difference |
|---|---|
| Gears and range note | The captured gears/ranges detail for the Kubota Z125E 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 8.4 mph (13.5 km/h) forward and 4.5 mph (7.2 km/h) reverse. That gives a better driving comparison than transmission type alone |
| Buyer takeaway | If you are comparing tractors, judge the Kubota Z125E from Hydrostatic, Infinite forward and reverse, and 8.4 mph (13.5 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: 8.4 mph (13.5 km/h); reverse speed: 4.5 mph (7.2 km/h) |
Kubota Z125E Transmission FAQ
Is the Kubota Z125E hydrostatic or gear drive?
The clean captured transmission type for the Kubota Z125E is Hydrostatic. Use that as the first answer, then check gears/ranges and travel speed.
Does the Kubota Z125E 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 Z125E go?
The Kubota Z125E is listed at 8.4 mph (13.5 km/h) forward and 4.5 mph (7.2 km/h) reverse.
Is the Kubota Z125E transmission fluid capacity listed?
This row does not show a clean fluid capacity. Check the operator manual before doing a transmission or hydrostatic fluid change.
What should I check before buying a used Kubota Z125E?
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.





