International Harvester 6788 Specs ( 1981-1984 )
Production
| Description | Built in Rock Island, Illinois, USA / Original price was $70,500 in 1984 |
|---|---|
| Manufacturer | International Harvester |
| Total built | 347 |
Engine
| Engine type | International Harvester 7.6L 6-cyl diesel |
|---|---|
| Bore/Stroke | 4.30x5.35 inches (109 x 136 mm) |
| Coolant capacity | 34 qts (32.2 L) |
| Description | International Harvester DT 466B / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 466 ci (7.6 L) |
| Oil capacity | 20 qts (18.9 L) |
| Power | 200 hp (149.1 kW) |
| Rated RPM | 2500 |
| Drawbar (claimed) | 142 hp (105.9 kW) |
| Drawbar (tested) | 142.05 hp (105.9 kW) |
| PTO (claimed) | 170 hp (126.8 kW) |
| PTO (tested) | 170.57 hp (127.2 kW) |
Transmission
| Description | Left lever selects high, low, or reverse range. Right lever selects gear. On-the-move power shift without the clutch between gear pairs 1/2, 3/4, and 5/6. Synchronized shift (with the clutch) from 2-to-3 and 4-to-5. |
|---|---|
| Gears | 12 forward and 6 reverse |
| Oil capacity | 94.5 qts (89.4 L) |
| Transmission type | 12-speed two-range power shift |
| Type | two-range power shift |
Mechanical
| Cab | Cab standard with burgundy finish, heat, and air-conditioning. Optional western finish interior. |
|---|---|
| Description | Articulated power steering |
| Drive type | Four-wheel drive |
Capacity
| Fuel | 89 gal (336.9 L) |
|---|---|
| Hydraulic system | 23.6 gal (89.3 L) |
Hydraulics
| Capacity | 23.6 gal (89.3 L) |
|---|---|
| Pump flow | 18 gpm (68.1 lpm) |
| Steering flow | 12 gpm (45.4 lpm) |
| Type | closed center |
| Valves | 2 to 4 |
Hitch
| Rear Type | III/II |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 |
Dimensions & Tires
| Ground clearance | 28.4 inches (72 cm) |
|---|---|
| Length | 228.3 inches (579 cm) |
| Shipping weight | 16920 lbs (7674 kg) |
| Wheelbase | 110 inches (279 cm) |
| Width | 112 inches (284 cm) |
| Front tire | 18.4-38 |
| Rear tire | 18.4-38 |
| Weight | 16920 lbs (7674 kg) |
| Wheelbase | 110 inches (279 cm) |
| Ag front | 18.4-38 |
| Ag rear | 18.4-38 |
6788 Serial Numbers
| 1981 | 8801 |
|---|---|
| 1982 | 8810 |
| 1983 | 8840 |
| 1984 | 8871 |
| 1985 | 8946 |
| Description | FAQ: How to read a serial number table. |
| Location: | transmission housing, right side |
International Harvester 6788 Height
| Cab | 114.1 inches (289 cm) |
|---|---|
| Exhaust | 125.4 inches (318 cm) |
| Hood | 79.9 inches (202 cm) |
Nebraska Tractor Test 1377
| Description | Diesel 12-speed 4WDNovember 5 - 17, 1980Link: Nebraska Tractor Test 1377 file / PTO performance / Drawbar performance / Gear 3-Low-Direct used for power test. / Gear 1-Low-Direct used for pull test. |
|---|---|
| Fuel use | 10.9 gal/hour (41.3 l/hour) / 9.7 gal/hour (36.7 l/hour) / 10.7 gal/hour (40.5 l/hour) |
| Max power | 142.05 hp (105.9 kW) |
| Max pull | 19069 lbs (8649 kg) |
| Power at rated engine speed | 170.57 hp (127.2 kW) |
| Power at rated PTO speed | 166.39 hp (124.1 kW) |
References
| Description | 2+2 Tractors 130/150/170 HP published in 1981, by International Harvester |
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Speeds
| Description | With 18.4-38 tires. |
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