Compare/Satoh ST-3840 vs Satoh ST-4040

Satoh ST-3840 vs Satoh ST-4040

Verdict: Satoh ST-3840 vs Satoh ST-4040

The Satoh ST-3840 and the Satoh ST-4040 are both tractors — here is how they stack up on the figures that matter. Satoh ST-3840 leads on rated power with 38 hp against 36 hp. Satoh ST-3840 is the lighter machine (1,389 kg vs 1,700 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Satoh ST-3840 is the newer design (1980 vs 1977). In short: choose the Satoh ST-3840 for outright pulling power, or the Satoh ST-4040 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

Satoh

Fit score

Best match

Clear

Satoh

Fit score

Best match

Clear

Rated power

38 hp

36 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

SatohReference

liquid-cooled inlineReference

liquid-cooledReference

Drive

—

4x4 MFWD 2WDReference

Variants

ST-3820

Satoh 2WDReference

—

ST-3840

Satoh 4WDReference

—

D3850

Mitsubishi 2WDReference

—

D3850FD

Mitsubishi 4WDReference

—

ST4000

—

2WDReference

ST4040

—

4WDReference

Engine

28.3 kWReference

29.5 kWReference

Displacement

1.5 LReference

2.1 LReference

Bore/Stroke

77 x 80 mmReference

84 x 94 mmReference

Power

28.3 kWReference

29.5 kWReference

Rated RPM

2700Reference

2400Reference

Fuel tank

—

46.2 LReference

Torque

—

124.8 NmReference

Torque RPM

—

1600Reference

Starter

—

electricReference

Starter volts

—

12Reference

Oil capacity

—

5.0 LReference

Coolant capacity

—

8.0 LReference

Transmission

Gears

15 forward and 3 reverseReference

9 forward and 3 reverseReference

Type

—

gearReference

Dimensions

Weight

1389 kgReference

1700 kgReference

Rear tire

—

12.4/11-28Reference

Ag rear

—

12.4/11-28Reference

Length

—

334 cmReference

Width

—

153 cmReference

Rear tread

—

121 to 181 cmReference

PTO & Hydraulics

PTO (claimed)

—

26.5 kWReference

Rear Type

—

JIS1Reference

Control

—

position and draft controlReference

Rear PTO Type

—

540 (1.375)Reference

Engine RPM

—

1466@2400Reference

Electrical

Ground

—

negativeReference

Battery volts

—

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.