International Harvester 6788 tractor specifications

1981 - 1984

1981 - 1984 60 2+2 Series

Production

Production Manufacturer:International Harvester
Factory:Rock Island, Illinois, USA
Total built:347
Original price:$70,500 (1984 )

International Harvester 6788 Power

International Harvester 6788 Power Engine:200 hp
149.1 kW
Drawbar (claimed):142 hp
105.9 kW
PTO (claimed):170 hp
126.8 kW
Drawbar (tested):142.05 hp
105.9 kW
PTO (tested):170.57 hp
127.2 kW
power test details ...

1981 - 1984

60 2+2 Series

Nebraska Tractor Test 1377

Nebraska Tractor Test 1377
Diesel 12-speed 4WD November 5 - 17, 1980 Link: Nebraska Tractor Test 1377 file
PTO performance
Power at rated engine speed:	170.57 hp 127.2 kW
Fuel use:	10.9 gal/hour 41.3 l/hour
Power at rated PTO speed:	166.39 hp 124.1 kW
Fuel use:	9.7 gal/hour 36.7 l/hour
Drawbar performance
Max power:	142.05 hp 105.9 kW
Fuel use:	10.7 gal/hour 40.5 l/hour
Gear 3-Low-Direct used for power test.
Max pull:	19069 lbs 8649 kg
Gear 1-Low-Direct used for pull test.

International Harvester 6788 Engine

International Harvester 6788 Engine International Harvester 7.6L 6-cyl diesel Engine details ...

1981 - 1984

60 2+2 Series

Engine Detail

Engine Detail
International Harvester DT 466B
turbocharged diesel
6-cylinder
liquid-cooled
Displacement:	466 ci 7.6 L
Bore/Stroke:	4.30x5.35 inches 109 x 136 mm
Power:	200 hp 149.1 kW
Rated RPM:	2500
Oil capacity:	20 qts 18.9 L
Coolant capacity:	34 qts 32.2 L

Mechanical

Mechanical Chassis:4x4 articulated 4WD
Steering:articulated power
Cab:Cab standard with burgundy finish, heat, and air-conditioning. Optional western finish interior.
Transmission:12-speed two-range power shift
Transmission details ...

1981 - 1984

60 2+2 Series

Transmission

Transmission
Type:	two-range power shift
Gears:	12 forward and 6 reverse
Oil capacity:	94.5 qts 89.4 L
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.

Speeds

Speeds
With 18.4-38 tires.

Capacity

Capacity Fuel:89 gal
336.9 L
139 gal
526.1 L *Optional
Hydraulic system:23.6 gal
89.3 L

Hydraulics

Hydraulics Capacity:23.6 gal
89.3 L
Valves:2 to 4
Pump flow:18 gpm
68.1 lpm
Steering flow:12 gpm
45.4 lpm

Tractor hitch

Tractor hitch Rear Type:III/II

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:1000

Dimensions & Tires

Dimensions & Tires Wheelbase:110 inches
279 cm
Weight:16920 lbs
7674 kg
Front tire:18.4-38
Rear tire:18.4-38
Full dimensions and tires ...

1981 - 1984

60 2+2 Series

International Harvester 6788 Tires

International Harvester 6788 Tires
Ag front:	18.4-38
Ag rear:	18.4-38

Dimensions

Dimensions
Wheelbase:	110 inches 279 cm
Length:	228.3 inches 579 cm
Width:	112 inches 284 cm
Shipping weight:	16920 lbs 7674 kg
Ground clearance:	28.4 inches 72 cm