The Kubota GB140 has a hydrostatic transmission, with a top forward speed of 12.4 mph (20 km/h) and reverse speed of 6.2 mph (10 km/h). Service details captured: fluid Kubota Super UDT2.
Transmission typeHydrostatic
Forward speed12.4 mph (20 km/h)
Transmission fluidKubota Super UDT2
Kubota GB140 Transmission Specs
Transmission type
Hydrostatic
Forward speed
12.4 mph (20 km/h)
Reverse speed
6.2 mph (10 km/h)
Transmission oil / fluid type
Kubota Super UDT2
Transmission Comparison Charts
Forward speed comparison
This model
12.4 mph
Average
13 mph
Low
5 mph
High
25 mph
Reverse speed comparison
This model
6.2 mph
Average
6 mph
Low
2.5 mph
High
12 mph
Kubota GB140 Transmission Notes
Transmission type note
The transmission type is the headline spec here. On the Kubota GB140, the clean captured type is Hydrostatic
Forward / reverse speed note
Travel speed for the Kubota GB140 is listed as 12.4 mph (20 km/h) forward and 6.2 mph (10 km/h) reverse. Forward speed matters for transport; reverse speed matters for loader and yard work
Fluid and service note
For service work, the captured transmission fluid type is Kubota Super UDT2. The oil capacity was not cleanly captured in this row
Buyer takeaway
If you are comparing tractors, judge the Kubota GB140 from Hydrostatic and 12.4 mph (20 km/h), not horsepower alone. Transmission setup decides how the tractor actually drives
The clean captured transmission type for the Kubota GB140 is Hydrostatic. Use that as the first answer, then check gears/ranges and travel speed.
Does every Kubota GB140 transmission have a gear count?
No. Hydrostatic and CVT-style transmissions may be listed by range or variable speed instead of simple forward/reverse gear numbers.
How fast does the Kubota GB140 go?
The Kubota GB140 is listed at 12.4 mph (20 km/h) forward and 6.2 mph (10 km/h) reverse.
Is the Kubota GB140 transmission fluid listed?
Yes, the captured fluid type is Kubota Super UDT2. Confirm the capacity in the operator manual before servicing.
What should I check before buying a used Kubota GB140?
Confirm the exact transmission type, test forward and reverse operation, check for fluid leaks, and verify any service history for the transmission or transaxle.
Official information note
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.
