The Kubota GB13 has a hydrostatic transmission, with 6-speed gear. Service details captured: fluid Kubota Super UDT.
Transmission typeHydrostatic
Gears / ranges6-speed gear
Transmission fluidKubota Super UDT
Kubota GB13 Transmission Specs
Transmission type
Hydrostatic
Gears / ranges / speeds
6-speed gear
Transmission oil / fluid type
Kubota Super UDT
Kubota GB13 Transmission Notes
Transmission type note
The Kubota GB13’s captured transmission type is Hydrostatic. Use that before comparing speed, oil capacity or service parts
Gears and range note
The Kubota GB13’s listed range/speed detail is 6-speed gear. On hydrostatic tractors, this may describe ranges rather than old-school fixed gears
Fluid and service note
For service work, the captured transmission fluid type is Kubota Super UDT. The oil capacity was not cleanly captured in this row
Buyer takeaway
If you are comparing tractors, judge the Kubota GB13 from Hydrostatic and 6-speed gear, not horsepower alone. Transmission setup decides how the tractor actually drives
Source summary
type: Hydrostatic; gears/speeds: 6-speed gear; fluid: Kubota Super UDT
Kubota GB13 Transmission FAQ
What is the main transmission spec for the Kubota GB13?
The main captured transmission detail is Hydrostatic. In plain terms, it is better for easy speed control, mowing, loader work and stop-start property jobs.
How many gears or speeds does the Kubota GB13 have?
The Kubota GB13 gears/ranges line is listed as 6-speed gear. Hydrostatic rows may describe ranges instead of fixed manual gears.
Are the Kubota GB13 forward and reverse speeds listed?
This row does not show clean forward/reverse speed values. Check the operator manual or official spec sheet for exact travel speed.
Is the Kubota GB13 transmission fluid listed?
Yes, the captured fluid type is Kubota Super UDT. Confirm the capacity in the operator manual before servicing.
What should I check before buying a used Kubota GB13?
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.
