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Kubota STV40

The Kubota STV40 is a compact utility tractor produced from 2006 to 2014 as part of the STV Series. It features a Kubota 1.8L 3-cylinder liquid-cooled diesel engine delivering 37.8 hp net and 34.7 hp gross, paired with a hydrostatic transmission offering infinite forward and reverse speeds with 3 ranges. The tractor includes four-wheel drive, mechanical rear differential lock, power steering, wet disc brakes, and a two-post ROPS with an optional cab. It has a fuel tank capacity of 7.7 gallons (29.1 L) and hydraulic system pressure of 2461 psi with a pump flow of 6.1 gpm. The rear PTO is independent with 540 rpm and 800 rpm options, and a mid PTO at 2500 rpm. Dimensions include a 63.4 inch wheelbase, 105.5 inch length, and 48 inch minimum width with R1 tires. The tractor weighs between 2150 and 2502 pounds depending on configuration. Standard tires are 6.00-12 front and 9.5-22 rear, with optional lawn/turf and industrial tires available. Electrical system is 12 volts with negative ground and alternator charging.
Kubota STV40compact utility tractor1.8L diesel enginehydrostatic transmission37.8 hp4WDtractor specs
Power34 hp
Founded2006 - 2014
ModelSTV40

Technical Specifications

Detailed specifications and technical data for Kubota STV40

Power

Engine (net):37.8 hp (28.2 kW)
PTO (claimed):30.6 hp (22.8 kW)
Engine (gross):34.7 hp (25.9 kW)

Tires

Lawn/turf rear:13.6-16
Industrial rear:12.4-16
Lawn/turf front:24x8.50-14
Industrial front:23x8.50-14
Standard tires (ag):Front: 6.00-12. Rear: 9.5-22

Engine

Type:diesel
Model:Kubota D1803M
Cooling:liquid-cooled
Starter:electric
Cylinders:3-cylinder
Fuel tank:7.7 gal (29.1 L)
Rated RPM:2700
Bore/Stroke:3.4x4.0 inches (86 x 102 mm)
Displacement:111.4 ci (1.8 L)
Power (gross):34.7 hp (25.9 kW)
Starter volts:12
Rated Power (net):37.8 hp (28.2 kW)

Electrical

Ground:negative
Battery volts:12
Charging system:alternator

Hydraulics

Pressure:2461 psi (169.7 bar)
Pump flow:6.1 gpm (23.1 lpm)

Mechanical

ROPS:Two-post ROPS. Cab optional.
Power steering:yes
Wet disc brakes:yes
Four-wheel drive:yes
Differential lock:mechanical rear

Production

Type:Compact Utility tractor
Series:STV Series
Years made:2006 - 2014

Transmission

Type:hydrostatic
Gears:infinite forward and reverse (3-range)

Tractor hitch

Control:position control
Rear Type:I
Rear lift (at ends):2535 lbs (1149 kg)

Dimensions & Tires

Width:48 inches (121 cm) *Minimum width with R1 tires.
Length:105.5 inches (267 cm)
Wheelbase:63.4 inches (161 cm)
Cab Weight:2502 lbs (1134 kg)
Rear tread:37.4 to 42.1 inches (94 to 106 cm)
Front tread:40.6 inches (103 cm)
ROPS Weight:2150 lbs (975 kg)
Height (cab):85 inches (215 cm)
Height (ROPS):92.5 inches (234 cm)
Ground clearance:9.3 inches (23 cm)

Power Take-off (PTO)

Rear PTO:independent
Engine RPM:540@2670, 800@2717
Mid PTO Type:2500
Rear PTO Type:540 (1.375)
Mid PTO Engine RPM:2500@2734

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