International Harvester 6788 Specs & Features

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International Harvester 6788 Technical Specifications

International Harvester 6788 is a Row-Crop tractor that was produced by the John Deere between 1981 – 1984.

Below you will find detailed technical specifications for International Harvester 6788 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

International Harvester 6788 Production

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

International Harvester 6788 Power

Engine:
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

International Harvester 6788 Mechanical

Chassis:

4×4 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

Capacity

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

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

Tracktor Hitch

Rear Type:

III/II

Power Take-off (PTO)

Rear PTO:	independent
Rear RPM:	1000

International Harvester 6788 Engine detail

Engine Detail
International Harvester DT 466B
turbocharged diesel
6-cylinder
liquid-cooled
Displacement:	466 ci 7.6 L
Bore/Stroke:	4.30×5.35 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

International Harvester 6788 Transmission overview

Engine Oil

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.

International Harvester 6788 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

International Harvester 6788 Height
Hood:	79.9 inches 202 cm
Cab:	114.1 inches 289 cm
Exhaust:	125.4 inches 318 cm

International Harvester 6788 Tests

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.

FAQ

Is International Harvester 6788 a good tractor?

The International Harvester 6788 is one of the great tractors in the International Harvester stable, and it has earned International Harvester a fantastic reputation.

How much oil does a International Harvester 6788 take?

Check out the International Harvester 6788 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year International Harvester made the 6588

The International Harvester 6788 was an agricultural tractor model made from 1981 – 1984