Ford 3900
The Ford 3900 is a tractor produced by Ford. It is equipped with a 175 ci 2.9 L engine. The rated power output is 47 hp 35.0 kW. Transmission: 8 forward and 2 reverse. Operating weight: 4766 lbs 2161 kg.
Engine Power
47 hp
35.0 kW
Fuel & Capacities
13 gal
49.2 L
Transmission
8 forward and 2 reverse
Operating Weight
4766 lbs
2161 kg
Ford 3900 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1975 - 1981
Utility tractor |
|---|---|
1975 - 1981 | |
Utility tractor | |
Production | |
|---|---|
Manufacturer | Ford |
Utility tractor | |
Ford 3900 Engine | |
|---|---|
Ford 2.9L 3-cyl diesel | |
Fuel tank | 13 gal
49.2 L |
Engine details ...  | |
Ford 3900 Transmission | |
|---|---|
8-speed gear | |
Transmission details ...  |
Ford 3900 Power | |
|---|---|
Engine (gross) | 47 hp
35.0 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Differential lock | mechanical rear OptOptional |
Mechanical wet disc brakes | |
ROPS standard. Cab available. | |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position and draft control |
Rear lift | 3417 lbs
1549 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@1800 |
Dimensions & Tires | |
|---|---|
Wheelbase | 77.6 inches
197 cm |
Weight | 4766 lbs
2161 kg |
Front tire | 6.00x19 |
Rear tire | 12.4/11x36 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Charging amps | 28 |
Battery volts | 12 |
Battery AH | 128 |
References | |
|---|---|
 | |
3900 4100 4600 published in 1979, by Ford* | |
*Publication contains known errors. |
Engine
Engine Detail — 175 ci / 2.9 L Diesel
Manufacturer | Ford |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 175 ci
2.9 L |
Bore/Stroke | 4.20x4.20 inches
107 x 107 mm |
Power (gross) | 47 hp
35.0 kW |
Fuel system | indirect injection |
Air cleaner | dry |
Compression | 16.3:1 |
Rated RPM | 2000 |
Torque | 132.4 lb-ft
179.5 Nm |
Torque RPM | 1200 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 7.4 qts
7.0 L |
Coolant capacity | 10.6 qts
10.0 L |
Transmission
Transmission — 8 forward and 2 reverse gear
Type | gear |
Gears | 8 forward and 2 reverse |
Clutch | 280mm dry disc |
Oil capacity | 13.7 qts
13.0 L |
 | |
Dimensions
Ford 3900 Tires | |
|---|---|
Standard tires (ag) | Front: 6.00x19. Rear: 12.4/11x36 |
Dimensions | |
|---|---|
Wheelbase | 77.6 inches
197 cm |
Length | 134.7 inches
342 cm |
Width | 73.2 inches
185 cm |
Height (ROPS) | 90.6 inches
230 cm |
Weight | 4766 lbs
2161 kg |