Montana 3840
The Montana 3840 is a tractor produced by Montana. It is equipped with a 109.84 ci 1.8 L engine. The listed engine power is Diesel (listed): 38 hp / 28.3 kW. Transmission: 12 forward and reverse. Operating weight: 3418 lbs 1550 kg.
Engine Power
Diesel (listed): 38 hp / 28.3 kW
Fuel & Capacities
10.6 gal
40.1 L
Transmission
12 forward and reverse
Operating Weight
3418 lbs
1550 kg
Overview
 | 2004 - 2009
Compact Utility tractorLS built
Compact Utility tractor
LS built |
|---|
Production | |
|---|---|
Distributor | Montana |
Manufacturer | LS |
Compact Utility tractor | |
Montana 3840 Engine | |
|---|---|
Mitsubishi 1.8L 4-cyl diesel | |
Fuel tank | 10.6 gal
40.1 L |
Engine details ...  | |
Montana 3840 Transmission | |
|---|---|
12-speed sync shuttle | |
Transmission details ...  |
Montana 3840 Power | |
|---|---|
Engine | 38 hp
28.3 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Multi-disc wet brakes | |
Two-post folding ROPS. |
Hydraulics | |
|---|---|
Valves | 2 |
Pump flow | 8.13 gpm
30.8 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Rear lift (at ends) | 2977 lbs
1350 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 63 inches
160 cm |
Weight | 3418 lbs
1550 kg |
Front tire | 8.0-16.0 |
Rear tire | 12.4-24.0 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging amps | 50 |
Battery volts | 12 |
Engine
Engine Detail — 109.84 ci / 1.8 L Diesel
Manufacturer | Mitsubishi S4L2 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 109.84 ci
1.8 L |
Bore/Stroke | 3.07x3.62 inches
78 x 92 mm |
Power | 38 hp
28.3 kW |
Fuel system | indirect injection |
Air cleaner | dual dry element |
Rated RPM | 2700 |
Starter volts | 12 |
Transmission
Transmission — 12 forward and reverse sync shuttle
Type | sync shuttle |
Gears | 12 forward and reverse |
Dimensions
Montana 3840 Tires | |
|---|---|
Ag front | 8.0-16.0 |
Ag rear | 12.4-24.0 |
Dimensions | |
|---|---|
Wheelbase | 63 inches
160 cm |
Length | 130.3 inches
330 cm |
Height (ROPS) | 87.51 inches
222 cm |
Weight | 3418 lbs
1550 kg |
Ground clearance | 13.2 inches
33 cm |
Photos
Montana 3840 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Montana 3840 based on its 38 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough 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 Duty | Small acreage soil break-up and secondary aeration. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 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 Montana 3840.
Estimated Continuous Field Runtime: 5.4 hrs
Approximately 5.4 hours of continuous field operation at ~75% rated power on a full tank (10.6 gal / 40.1 L).
Estimated 75% Load Fuel Burn~2 gal/hr (7.5 L/hr)
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
Montana 3840 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Montana 3840.
Converted Equivalents:
Horsepower (HP)38 hp
Kilowatts (kW)28.3 kW
Metric Horsepower (PS / CV)38.5 PS
Direct Competitor Comparison
Compare Montana 3840 against same-era industry alternatives in the same horsepower class.
Current Model
Montana
Montana 3840
Engine Power:Diesel (listed): 38 hp / 28.3 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester TD-6
Engine Power:34.4
Production Years:1940 - 1969
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