Compare/International Harvester 1568 vs International Harvester 6788

International Harvester 1568 vs International Harvester 6788

Verdict: International Harvester 1568 vs International Harvester 6788

The International Harvester 1568 and the International Harvester 6788 are both tractors — here is how they stack up on the figures that matter. International Harvester 1568 leads on rated power with 172 hp against 171 hp. International Harvester 1568 is the lighter machine (5,878 kg vs 7,674 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 6788 is the newer design (1981 vs 1974). In short: choose the International Harvester 1568 for outright pulling power, or the International Harvester 6788 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

International Harvester

Fit score

Best match

Clear

International Harvester

Fit score

Best match

Clear

Rated power

172 hp

171 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

With 20.8-38 rear tires.Reference

With 18.4-38 tires.Reference

Total built

862Reference

347Reference

Final drives

planetaryReference

—

Engine

Fuel tank

159.0 LReference

—

Engine (gross)

128.3 kWReference

—

Drawbar (tested)

97.1 kWReference

105.9 kWReference

Displacement

9.0 LReference

7.6 LReference

Bore/Stroke

114 x 110 mmReference

109 x 136 mmReference

Power (gross)

128.3 kWReference

—

Air cleaner

two-stage dry with unloaderReference

—

Compression

16.6:1Reference

—

Rated RPM

2600Reference

2500Reference

Idle RPM

900-2600Reference

—

Starter volts

12Reference

—

Oil capacity

15.1 LReference

89.4 LReference

Coolant capacity

28.4 LReference

32.2 LReference

Power at rated engine speed

112.4 kWReference

127.2 kWReference

Max power

97.1 kWReference

105.9 kWReference

Engine

—

149.1 kWReference

Drawbar (claimed)

—

105.9 kWReference

Power

—

149.1 kWReference

Transmission

Torque AmplifierReference

—

Gears

12 forward and 6 reverseReference

PTO & Hydraulics

PTO (claimed)

111.9 kWReference

126.8 kWReference

PTO (tested)

112.4 kWReference

127.2 kWReference

Type

two-speed power shiftReference

two-range power shiftReference

Rear valves

1 or 2Reference

—

Front valves

2Reference

—

Pump flow

45.4 lpmReference

68.1 lpmReference

Total flow

79.5 lpmReference

—

Rear Type

III/IIReference

Control

draft controlReference

—

Rear PTO

independentReference

Rear PTO Type

1000 (1.375)Reference

1000Reference

Engine RPM

1000@2300Reference

—

Power at rated PTO speed

110.2 kWReference

124.1 kWReference

Hydraulic system

—

89.3 LReference

Capacity

—

89.3 LReference

Valves

—

2 to 4Reference

Steering flow

—

45.4 lpmReference

Dimensions

Wheelbase

266 cmReference

279 cmReference

Weight

5878 kgReference

7674 kgReference

Front tire

11L-15Reference

18.4-38Reference

Rear tire

20.8-38Reference

18.4-38Reference

Ag front

11L-15Reference

18.4-38Reference

Ag rear

20.8-38Reference

18.4-38Reference

Length

426 cmReference

579 cmReference

Height (cab)

297 cmReference

—

Height (exhaust)

325 cmReference

—

Clearance (drawbar)

43 cmReference

—

Front tread

142 to 203 cmReference

—

Rear tread

167 to 304 cmReference

—

Width

—

284 cmReference

Shipping weight

—

7674 kgReference

Ground clearance

—

72 cmReference

Bar rear axle

—

82 mmReference

1568 Serial Numbers

1974

7201Reference

—

1975

7821Reference

—

Links

Electrical

Charging system

alternatorReference

—

Battery volts

6Reference

—

Test results

Fuel use

49.2 l/hourReference

40.5 l/hourReference

Max pull

—

8649 kgReference

Speeds

Capacities

Fuel

—

526.1 LReference

6788 Serial Numbers

1981

—

8801Reference

1982

—

8810Reference

1983

—

8840Reference

1984

—

8871Reference

1985

—

8946Reference

Location:

—

transmission housing, right sideReference

International Harvester 6788 Height

Hood

—

202 cmReference

Cab

—

289 cmReference

Exhaust

—

318 cmReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.