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International Harvester 6788 Specifications

IH 6788 Engine Technical Data

Engine Model ................. International Harvester DT-466B
Engine Type ................. 4-stroke, six-cylinder turbocharged diesel
Number of Cylinders ................. 6
Displacement, cu in (L) ................. 466 (7.60)
Engine Bore, in (mm) ................. 4.30 (109.0)
Engine Stroke, in (mm) ................. 5.35 (136.0)
Aspiration ................. Turbocharged
Rated Engine Power, hp (kW) ................. 200.0 (149.0)
Rated Engine Speed, rpm ................. 2500
Compression ................. 15:1
Firing Order ................. 1-5-3-6-2-4
Fuel System ................. Direct injection
Air Cleaner ................. Dual dry elements
Fuel Tank Capacity, gal (L) ................. 89.0 (337.0)
Oil Capacity, qts (L) ................. 20.0 (18.9)
Coolant Capacity, qts (L) ................. 34.0 (32.2)
Electrical System Rating, Volts ................. 12
Charging System ................. Alternator

International 6788 Power Take-Off

PTO Operational Type ................. Independent
PTO Horsepower, hp (kW) ................. 170.0 (126.8)
PTO Clutch Type ................. Hydraulic dry disc
PTO Speeds, rpm ................. 1000
PTO / Engine Speed, rpm ................. 1000/2071

Transmission Configuration

Transmission Type ................. 2-Speed powershift
Gearbox Type ................. 12F/6R
Number of Forward Gears ................. 16
Number of Reverse Gears ................. 8
Clutch Type ................. Hydraulic dry disc
Oil Capacity, qts (L) ................. 94.5 (89.4)
Maximum Forward Speed, mph (kph) ................. 16.4 (26.4)
Maximum Reverse Speed, mph (kph) ................. 9.1 (14.6)

IH 6788 Wheels and Tires

Drive Wheels ................. 4WD 4x4
Steering Configuration ................. Front Steer
Steering System ................. Hydrostatic and articulated
Brakes Type ................. Hydraulic wet disc
Front Tire Size ................. 20.8-38
Rear Tire Size ................. 20.8-38
Front Tread, in (mm) ................. 62.4-115 (1585-2920)
Rear Tread, in (mm) ................. 62.4-115 (1585-2920)

International 6788 Hydraulic System

Hydraulic System Type ................. Closed center
Implement Pump Flow, gpm (Lpm) ................. 12.0 (45.4)
Hydraulic Pressure, Bar (psi) ................. 180 (2600)
Hydraulic Fluid Capacity, gal (L) ................. 23.5 (89.4)
Number of Standard Remote Valves ................. 2
3-Point Hitch Category ................. 3

Dimensions and Weight

Wheelbase, in (mm) ................. 110 (2790)
Length, in (mm) ................. 228.3 (5795)
Height (Cab), in (mm) ................. 114.1 (2890)
Overall Width, in (mm) ................. 112 (2840)
Ground Clearance, in (mm) ................. 28.4 (720)
Turning Radius (without Brakes), in (mm) ................. 222 (5600)
Weight (Shipping), lb (kg) ................. 16920 (7675)