international harvester 3788
![]() | 1980 - 1981
30 2+2 SeriesFour-wheel Drive (4WD) tractor | 1980 - 1981 | 30 2+2 Series | Four-wheel Drive (4WD) tractor |
|---|---|---|---|---|
1980 - 1981 | ||||
30 2+2 Series | ||||
Four-wheel Drive (4WD) tractor | ||||
1980 - 1981 | |
|---|---|
30 2+2 Series | |
Four-wheel Drive (4WD) tractor |
Production | |
|---|---|
Manufacturer | International Harvester |
Four-wheel Drive (4WD) tractor | |
Total built | 2,496 |
Original price was $57,000 in 1981 | |
International Harvester 3788 Engine | |
|---|---|
International Harvester 7.6L 6-cyl diesel | |
Fuel tank | 90 gal
340.7 L |
Engine details ... | |
International Harvester 3788 Transmission | |
|---|---|
12-speed two-range power shift | |
Transmission details ... |
International Harvester 3788 Power | |
|---|---|
Drawbar (claimed) | 146 hp
108.9 kW |
PTO (claimed) | 170.57 hp
127.2 kW |
Drawbar (tested) | 142.05 hp
105.9 kW |
PTO (tested) | 170.57 hp
127.2 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Four-wheel drive | |
Steering | hydrostatic power |
Hydraulic wet disc brakes | |
Cab standard | |
Photos | |
|---|---|
![]() | |
International Harvester 3788 photos... |
Hydraulics | |
|---|---|
Type | closed center |
Valves | 2 |
Pump flow | 12 gpm
45.4 lpm |
Tractor hitch | |
|---|---|
Rear Type | III |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 |
Engine RPM | 1000@2100 |
Dimensions & Tires | |
|---|---|
Wheelbase | 110 inches
279 cm |
Weight | 16520 to 18620 pounds |
Front tire | 18.4-38 |
Rear tire | 18.4-38 |
Full dimensions and tires ... | |
3788 Serial Numbers | |
|---|---|
Location: | Right side of tractor frame, by rear axle. |
1980 | 8801 |
1981 | 10866 |
FAQ: How to read a serial number table. | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 72 |
| 100 OptOptional |
Batteries | 2 |
Battery volts | 12 |
References | |
|---|---|
![]() | |
Field Force published in 1981, by International Harvester | |
Buyer's Guide 1981 published by International Harvester | |
Operator's Manual 3388, 3588 and 3788 Tractors (1096188R3) published in 1979 |
Recommended Products
Advertisement · Featured Tractor-Related Products

Hot Pick
Tractor
John Deere 1:16 Big Farm Tractor Model
4.5/5 (128)
Detailed scale model with authentic features, perfect for collectors and enthusiasts
john-deeremodel+2
Check Price
Link to amzn.to

Hot PickOn Sale
Parts
WEIZE Lawn Garden AGM Battery, 12V 350CCA BCI Group U1 SLA Starting Battery
5.0/5 (38)
Power your lawn tractors and mowers with the high-quality Weize BCI group U1 Battery. This SLA, AGM battery provides 12V of reliable power and has a 350 Cold Cranking Amps rating.
Battery
Check Price
Link to amzn.to

On Sale
Parts
LED Work Light Kit
5.0/5 (14)
John Deere LED Work Light Kit Replaces AM140853, BM24273, BM24016, BM25705 and BUC10222
Check Price
Link to amzn.to

Hot PickOn Sale
Parts
Bright LED Bulbs Cool White compatible
5.0/5 (78)
HQRP® 2-Pack BA15S LED Bulbs Replacement; Bulb Type: BA15S Base (Single Contact); Working Voltage:12-24V DC; Lumen: 250-300; Way brighter than regular lights;
lights
Check Price
Link to amzn.to
* This page contains affiliate links, purchases may generate revenue for this site


