The Kubota BX1850 has a hydrostatic transmission, with Infinite forward and reverse, a top forward speed of 12.5 mph (20.1 km/h), and reverse speed of 6.9 mph (11.1 km/h). Service details captured: fluid Kubota Super UDT2 and oil capacity 3.1 qt (2.9 L).
Transmission typeHydrostatic
Gears / rangesInfinite forward and reverse
Forward speed12.5 mph (20.1 km/h)
Transmission fluidKubota Super UDT2
Kubota BX1850 Transmission Specs
Transmission type
Hydrostatic
Gears / ranges / speeds
Infinite forward and reverse
Forward speed
12.5 mph (20.1 km/h)
Reverse speed
6.9 mph (11.1 km/h)
Transmission oil / fluid type
Kubota Super UDT2
Transmission oil capacity
3.1 qt (2.9 L)
Transmission Comparison Charts
Forward speed comparison
This model
12.5 mph
Average
13 mph
Low
5 mph
High
25 mph
Reverse speed comparison
This model
6.9 mph
Average
6 mph
Low
2.5 mph
High
12 mph
Transmission oil capacity comparison
This model
3.1 qt
Average
28 qt
Low
4 qt
High
70 qt
Kubota BX1850 Transmission Notes
Transmission type note
For the Kubota BX1850, start with the transmission type: Hydrostatic. That tells you whether the tractor is more range/gear focused or easier stop-start driving focused
Gears and range note
The Kubota BX1850’s listed range/speed detail is Infinite forward and reverse. On hydrostatic tractors, this may describe ranges rather than old-school fixed gears
Forward / reverse speed note
For real use, the Kubota BX1850’s speed specs are simple: 12.5 mph (20.1 km/h) forward and 6.9 mph (11.1 km/h) reverse
Fluid and service note
For service work, the captured transmission fluid is Kubota Super UDT2 and the listed capacity is 3.1 qt (2.9 L). Confirm both in the manual before changing fluid
Buyer takeaway
If you are comparing tractors, judge the Kubota BX1850 from Hydrostatic, Infinite forward and reverse, and 12.5 mph (20.1 km/h), not horsepower alone. Transmission setup decides how the tractor actually drives
The Kubota BX1850 transmission is listed as Hydrostatic. That is the main drivetrain detail to check before comparing gears, ranges or speed.
What are the Kubota BX1850 transmission gears or ranges?
The captured gears/speeds detail for the Kubota BX1850 is Infinite forward and reverse.
Is the Kubota BX1850 transmission speed good?
The captured travel speeds are 12.5 mph (20.1 km/h) forward and 6.9 mph (11.1 km/h) reverse. That is enough to compare it against similar tractors for mowing, transport and yard work.
How much transmission oil does the Kubota BX1850 take?
The listed transmission oil capacity is 3.1 qt (2.9 L), and the captured fluid type is Kubota Super UDT2.
What should I check before buying a used Kubota BX1850?
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.
