Montana 3940
The Montana 3940 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): 39 hp / 29.1 kW. Transmission: infinite forward and reverse. Operating weight: 2955 lbs 1340 kg.
Engine Power
Diesel (listed): 39 hp / 29.1 kW
Fuel & Capacities
10.6 gal
40.1 L
Transmission
infinite forward and reverse
Operating Weight
2955 lbs
1340 kg
Overview
 | 2004 - 2009
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Montana |
Compact Utility tractor | |
Montana 3940 Engine | |
|---|---|
Mitsubishi 1.8L 4-cyl diesel | |
Fuel tank | 10.6 gal
40.1 L |
Engine details ...  | |
Montana 3940 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Montana 3940 Power | |
|---|---|
Engine | 39 hp
29.1 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Wet disc brakes | |
Two-post folding ROPS. |
Hydraulics | |
|---|---|
Valves | 2 |
Pump flow | 8.2 gpm
31.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position and draft control |
Rear lift (at ends) | 2695 lbs
1222 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 66.2 inches
168 cm |
Weight | 2955 lbs
1340 kg |
Front tire | 8.0 |
Rear tire | 12.4 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
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 | 39 hp
29.1 kW |
Fuel system | indirect injection |
Air cleaner | dual dry element |
Pre-heating | glow plugs |
Rated RPM | 2700 |
Starter volts | 12 |
Transmission
Transmission — infinite forward and reverse hydrostatic
Type | hydrostatic |
Gears | infinite forward and reverse |
Dimensions
Montana 3940 Tires | |
|---|---|
Ag front | 8.0 - 16.0 |
Ag rear | 12.4 - 24.0 |
Dimensions | |
|---|---|
Wheelbase | 66.2 inches
168 cm |
Length | 132 inches
335 cm |
Height | 87.51 inches
222 cm |
Weight | 2955 lbs
1340 kg |
Ground clearance | 13.2 inches
33 cm |
Photos
Montana 3940
Recommended Implements & Sizing Guide
Engineering recommendations for Montana 3940 based on its 39 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 3940.
Estimated Continuous Field Runtime: 5.2 hrs
Approximately 5.2 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 (7.7 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 3940 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Montana 3940.
Converted Equivalents:
Horsepower (HP)39 hp
Kilowatts (kW)29.1 kW
Metric Horsepower (PS / CV)39.5 PS
Direct Competitor Comparison
Compare Montana 3940 against same-era industry alternatives in the same horsepower class.
Current Model
Montana
Montana 3940
Engine Power:Diesel (listed): 39 hp / 29.1 kW
★ Baseline Reference
Related models
Montana 3240
- Power:
- 32
- Production years:
- 2004 - 2009
Montana 3440
- Power:
- 32.5
- Production years:
- 2004 - 2009
Montana 3840
- Power:
- 38
- Production years:
- 2004 - 2009
Montana R3644
- Power:
- 38.5
- Production years:
- 2007 - 2010
Montana R4344
- Power:
- 41
- Production years:
- 2007 - 2010