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Satoh ST-3840

The Satoh ST-3840 is a tractor produced by Satoh. It is equipped with a 90.9 ci 1.5 L engine. The listed engine power is Diesel (listed): 38 hp / 28.3 kW. Transmission: 15 forward and 3 reverse. Operating weight: 3064 lbs 1389 kg.

Engine Power
Diesel (listed): 38 hp / 28.3 kW
Fuel & Capacities
Diesel
Transmission
15 forward and 3 reverse
Operating Weight
3064 lbs 1389 kg

Overview

No photo available
1980 - 1982 Utility tractor
Production
Manufacturer
Satoh
Utility tractor
Variants
ST-3820
Satoh 2WD
ST-3840
Satoh 4WD
D3850
Mitsubishi 2WD
D3850FD
Mitsubishi 4WD
Satoh ST-3840 Engine
Mitsubishi 1.5L 4-cyl diesel
Engine details ...
Satoh ST-3840 Transmission
15-speed
Transmission details ...
Satoh ST-3840 Power
Engine
38 hp 28.3 kW
Mechanical
Four-wheel drive
Open operator station.
Dimensions & Tires
Weight
3064 lbs 1389 kg
Full dimensions and tires ...

Engine

Engine Detail — 90.9 ci / 1.5 L Diesel

Manufacturer
Mitsubishi 4DQ3
Fuel Type
Diesel
Configuration
4-cylinder, liquid-cooled inline
Displacement
90.9 ci 1.5 L
Bore/Stroke
3.03x3.15 inches 77 x 80 mm
Power
38 hp 28.3 kW
Rated RPM
2700

Transmission

Transmission — 15 forward and 3 reverse

Gears
15 forward and 3 reverse

Dimensions

Satoh ST-3840 Tires
Dimensions
Weight
3064 lbs 1389 kg

Recommended Implements & Sizing Guide

Engineering recommendations for Satoh ST-3840 based on its 38 HP power envelope and ASAE agricultural standards.

Implement & OperationRecommended SizeWorkload RatingEngineering Notes
Moldboard PlowPrimary Tillage
2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)Medium DutyStandard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing
5 ft (60 in)1.5 mMedium DutyPasture maintenance and weeds up to 1.5" diameter.
Rotary TillerSeedbed Prep
54 to 60 in135 - 150 cmMedium DutyThorough seedbed preparation in orchards and vegetable plots.
Disc HarrowSecondary Tillage
5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片)Light DutySmall acreage soil break-up and secondary aeration.
Hay BalerHay & Forage
Small Square Baler (14x18")小方捆打捆机 (36x46 cm)Medium DutyClassic 2-string baler for horse and small livestock hay.
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Satoh ST-3840.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Satoh ST-3840 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Satoh ST-3840.

Converted Equivalents:

Horsepower (HP)38 hp
Kilowatts (kW)28.3 kW
Metric Horsepower (PS / CV)38.5 PS

Direct Competitor Comparison

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Satoh

Satoh ST-3840

Engine Power:Diesel (listed): 38 hp / 28.3 kW
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