Search
Kubota GM56 vs Kubota M4030SU
Verdict: Kubota GM56 vs Kubota M4030SU
The Kubota GM56 and the Kubota M4030SU are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 51 hp. Kubota M4030SU holds more fuel (64.0 L vs 60.2 L) for longer stints between fills. Kubota GM56 is the newer design (1998 vs 1988). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
Tune the fit score
Tell us about your operation
Fit & specs
Kubota
71
Fit score
Best match
Clear
Kubota
71
Fit score
Best match
Clear
Rated power
51 hp
51 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
KubotaReference
KubotaReference
Eight gears in three ranges with shuttle.Reference
Four gears (1-4) in two ranges (low/high).Reference
Engine
Fuel tank
60.2 LReference
64.0 LReference
Engine
41.1 kWReference
—
Displacement
3.3 LReference
2.4 LReference
Bore/Stroke
98 x 110 mmReference
—
Power
41.1 kWReference
—
Rated RPM
2200Reference
—
Starter
negativeReference
electricReference
Starter volts
12Reference
12Reference
Engine (gross)
—
38.0 kWReference
Power (gross)
—
38.0 kWReference
Fuel system
—
direct injectionReference
Transmission
Gears
24 forward and reverseReference
16 forward and 4 reverseReference
PTO & Hydraulics
PTO (claimed)
38.1 kWReference
31.3 kWReference
Pump flow
41.6 lpmReference
—
Rear Type
IReference
IReference
Control
position and draft controlReference
—
Rear lift
2269 kgReference
—
Rear PTO Type
569/799/1130 (1.375)Reference
540Reference
Type
—
creeperReference
Rear PTO
—
independentReference
Engine RPM
—
540@2194Reference
Dimensions
Wheelbase
210 cmReference
199 cmReference
Weight
4740 to 5049 poundsReference
—
Front tire
8.3-20Reference
6.00-16Reference
Rear tire
12.4-32Reference
—
Standard tires (ag)
Front: 8.3-20. Rear: 12.4-32Reference
Front: 6.00-16. Rear:Reference
Length
365 cmReference
341 cmReference
Width
156 cmReference
—
Height (ROPS)
246 cmReference
—
Height (cab)
241 cmReference
—
ROPS Weight
2150 kgReference
—
Cab Weight
2290 kgReference
—
Ground clearance
40 cmReference
—
Front tread
121 cmReference
—
Rear tread
121 to 171 cmReference
—
Optional tires (ag)
—
Front: 13.6-28. Rear:Reference
Lawn/turf front
—
29x12.50-15 (Turf Special)Reference
Lawn/turf rear
—
21.5-16.1 (Turf Special)Reference
Electrical
Ground
electricReference
negativeReference
Battery volts
12Reference
12Reference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.