Kubota

Kubota STW37

The Kubota STW37 is a compact utility tractor produced from 2015 onward. It features a Kubota D1803 1.8L 3-cylinder liquid-cooled diesel engine delivering 34.7 hp net and 36.6 hp gross. The tractor has a hydrostatic transmission with infinite forward and reverse speeds across 3 ranges. It includes four-wheel drive, mechanical rear differential lock, power steering, and wet disc brakes. The STW37 offers a two-post folding ROPS with an optional cab with air-conditioning. Hydraulics provide 2461 psi pressure and 7.9 gpm pump flow. The tractor hitch is category I with position control. PTO options include independent rear and mid PTOs with multiple RPM settings. Dimensions include a 63.4 inch wheelbase, 115.8 inch length, and a width of 46.7 inches minimum with R1 tires. The tractor weighs between 2436 and 2756 pounds depending on configuration. Attachments include a 152 cm mid-mount mower deck and a front-end loader (LA454ST) with 1213 lbs lift capacity. Electrical system features a negative ground, alternator charging system, 60 amp cab charging, and 12 volt battery.
Power36 hp
Founded2015 - 2025
ModelSTW37

Technical Specifications

Detailed specifications and technical data for Kubota STW37

Power
Engine (net)34.7 hp (25.9 kW)
PTO (claimed)25.5 hp (19.0 kW)
Engine (gross)36.6 hp (27.3 kW)
Engine
Typediesel
ModelKubota D1803
Coolingliquid-cooled
Starterelectric
Cylinders3-cylinder
Rated RPM2700
Bore/Stroke3.4x4.0 inches (86 x 102 mm)
Displacement111.4 ci (1.8 L)
Starter volts12
Rated Power (net)34.7 hp (25.9 kW)
Rated Power (gross)36.6 hp (27.3 kW)
Electrical
Groundnegative
Battery volts12
Charging systemalternator
Cab Charging amps60
Hydraulics
Pressure2461 psi (169.7 bar)
Pump flow7.9 gpm (29.9 lpm)
Mechanical
ROPSTwo-post folding ROPS. Cab optional with air-conditioning.
DriveFour-wheel drive
BrakesWet disc brakes
Power steeringyes
Differential lockmechanical rear
Production
TypeCompact Utility tractor
ManufacturerKubota
Production years2015 -
Attachments
60" Mower deckType mid-mount Kubota RCK-60, Cutting width 60 inches (152 cm)
Front-end loaderLA454ST Loader with 1213 lbs lift (full at pin) (550 kg), 37° dump, 46° rollback, 94.5 inches height (at pin) (240 cm), 72.8 inches clearance (dumped) (184 cm)
Mid-mount mower deck152 cm
Transmission
Typehydrostatic
Gearsinfinite forward and reverse (3-range)
Tractor hitch
Controlposition control
Rear TypeI
Dimensions & Tires
Width46.7 inches (118 cm) *Minimum width with R1 tires.
Length115.8 inches (294 cm)
Rear tire9.5-22
Wheelbase63.4 inches (161 cm)
Cab Weight2756 lbs (1250 kg)
Front tire6.00-12
Rear tread37.4 to 42.1 inches (94 to 106 cm)
Front tread40.2 inches (102 cm)
ROPS Weight2436 lbs (1104 kg)
Height (cab)85.2 inches (216 cm)
Height (ROPS)92.5 inches (234 cm)
Lawn/turf rear13.6-16
Lawn/turf front24x8.50-14
Ground clearance9.3 inches (23 cm)
Power Take-off (PTO)
Mid PTOindependent
Rear PTOindependent
Mid PTO Type2500
Rear PTO Type540 (1.375)
Engine RPM (540)540@2670
Engine RPM (800)800@2717
Engine RPM (1000)1000@2717
Engine RPM (Mid PTO)2500@2734