Compare/Kubota GM73 vs Kubota M4063

Kubota GM73 vs Kubota M4063

Verdict: Kubota GM73 vs Kubota M4063

The Kubota GM73 and the Kubota M4063 are both tractors — here is how they stack up on the figures that matter. Kubota GM73 leads on rated power with 68 hp against 66 hp. Kubota GM73 is the lighter machine (4,982 kg vs 5,666 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota GM73 holds more fuel (82.1 L vs 70.0 L) for longer stints between fills. Kubota M4063 is the newer design (2021 vs 1998). In short: choose the Kubota GM73 for outright pulling power, or the Kubota M4063 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Kubota

Fit score

Best match

Clear

Kubota

Fit score

Best match

Clear

Rated power

68 hp

66 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

KubotaReference

Eight gears in three ranges with shuttle.Reference

Six synchronized gears in three ranges with power shuttle.Reference

Differential lock

—

mechanical rearReference

Engine

Fuel tank

82.1 LReference

—

Engine

53.6 kWReference

—

Displacement

3.3 LReference

Bore/Stroke

98 x 110 mmReference

94 x 119 mmReference

Power

53.6 kWReference

—

Rated RPM

2500Reference

2400Reference

Starter

negativeReference

—

Starter volts

12Reference

—

ROPS Fuel tank

—

70.0 LReference

Cab Fuel tank

—

90.1 LReference

Engine (net)

—

49.2 kWReference

Emissions

—

Stage 5Reference

Rated Power (net)

—

49.2 kWReference

Transmission

Gears

24 forward and reverseReference

18 forward and reverseReference

Type

—

power shuttleReference

PTO & Hydraulics

PTO (claimed)

51.0 kWReference

—

Pump flow

41.6 lpmReference

62.8 lpmReference

Rear Type

IReference

IIReference

Control

position and draft controlReference

Rear lift

2269 kgReference

2500 kgReference

Rear PTO Type

564/795/1125 (1.375)Reference

540/1000Reference

Valves

—

2 or 3Reference

Rear PTO

—

independentReference

Clutch

—

electro-hydraulic wet discReference

Dimensions

Wheelbase

215 cmReference

213 cmReference

Weight

4982 to 5390 poundsReference

5666 to 6702 poundsReference

Front tire

9.5-24Reference

320/85R20Reference

Rear tire

16.9-30Reference

420/85R30Reference

Standard tires (ag)

Front: 9.5-24. Rear: 16.9-30Reference

Front: 320/85R20. Rear: 420/85R30Reference

Length

365 cmReference

370 cmReference

Width

177 cmReference

195 cmReference

Height (ROPS)

251 cmReference

—

Height (cab)

246 cmReference

258 cmReference

ROPS Weight

2259 kgReference

2570 kgReference

Cab Weight

2444 kgReference

3040 kgReference

Ground clearance

45 cmReference

42 cmReference

Front tread

119 to 150 cmReference

—

Rear tread

132 to 171 cmReference

—

Height (Folded ROPS)

—

209 cmReference

ROPS Front tread

—

145 to 153 cmReference

Cab Front tread

—

136 to 141 cmReference

ROPS Rear tread

—

143 to 172 cmReference

Cab Rear tread

—

152 to 174 cmReference

Electrical

Ground

electricReference

negativeReference

Battery volts

12Reference

Kubota M4063 attachments

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.