Compare/International Harvester 1455 XL vs International Harvester 6588

International Harvester 1455 XL vs International Harvester 6588

Verdict: International Harvester 1455 XL vs International Harvester 6588

The International Harvester 1455 XL and the International Harvester 6588 are both tractors — here is how they stack up on the figures that matter. International Harvester 6588 leads on rated power with 150 hp against 145 hp. International Harvester 1455 XL is the lighter machine (5,611 kg vs 7,402 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. In short: choose the International Harvester 6588 for outright pulling power, or the International Harvester 1455 XL 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

145 hp

150 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

liquid-cooledReference

With 18.4-34 tires.Reference

Total built

—

642Reference

Steering

—

articulated hydrostatic powerReference

Engine

Fuel tank

199.8 LReference

—

Engine

108.1 kWReference

132.0 kWReference

Displacement

6.6 LReference

7.6 LReference

Bore/Stroke

100 x 140 mmReference

109 x 136 mmReference

Power

108.1 kWReference

132.0 kWReference

Rated RPM

2200Reference

2400Reference

Drawbar (claimed)

—

96.9 kWReference

Drawbar (tested)

—

94.1 kWReference

Starter volts

—

12Reference

Oil capacity

—

89.4 LReference

Coolant capacity

—

32.2 LReference

Power at rated engine speed

—

112.2 kWReference

Max power

—

94.1 kWReference

Transmission

Gears

20 forward and 9 reverseReference

16 forward and 8 reverseReference

PTO & Hydraulics

Pump flow

50.0 lpmReference

68.1 lpmReference

Rear lift

5601 kgReference

—

Rear PTO Type

540, 1000Reference

1000Reference

PTO (claimed)

—

111.9 kWReference

PTO (tested)

—

112.2 kWReference

Hydraulic system

—

89.3 LReference

Type

—

two-range power shiftReference

Capacity

—

89.3 LReference

Valves

—

2 to 4Reference

Steering flow

—

45.4 lpmReference

Rear Type

—

III/IIReference

Rear PTO

—

independentReference

Power at rated PTO speed

—

113.4 kWReference

Dimensions

Wheelbase

280 cmReference

279 cmReference

Weight

5611 kgReference

7402 kgReference

Front tire

14.9R28Reference

18.4-38Reference

Rear tire

20.8R38Reference

18.4-38Reference

Ag front

14.9R28Reference

18.4-38Reference

Ag rear

20.8R38Reference

18.4-38Reference

Length

473 cmReference

579 cmReference

Height

294 cmReference

—

Width

—

258 cmReference

Shipping weight

—

7402 kgReference

Ground clearance

—

72 cmReference

Bar rear axle

—

82 mmReference

Capacities

Fuel

—

526.1 LReference

6588 Serial Numbers

1981

—

8801Reference

1982

—

8966Reference

1983

—

9164Reference

1984

—

9361Reference

1985

—

9526Reference

Location:

—

transmission housing, right sideReference

Electrical

Ground

—

negativeReference

Battery volts

—

12Reference

International Harvester 6588 Height

Hood

—

202 cmReference

Cab

—

289 cmReference

Exhaust

—

318 cmReference

Test results

Fuel use

—

34.1 l/hourReference

Max pull

—

7978 kgReference

Speeds

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.