Compare/International Harvester B-85 vs International Harvester I-6

International Harvester B-85 vs International Harvester I-6

Verdict: International Harvester B-85 vs International Harvester I-6

The International Harvester B-85 and the International Harvester I-6 are both industrial tractors — here is how they stack up on the figures that matter. International Harvester I-6 leads on rated power with 44 hp against 40 hp. International Harvester I-6 is the lighter machine (2,501 kg vs 5,245 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester I-6 holds more fuel (79.5 L vs 68.1 L) for longer stints between fills. International Harvester B-85 is the newer design (1963 vs 1940). In short: choose the International Harvester I-6 for outright pulling power, or the International Harvester B-85 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

International Harvester

Fit score

Best match

Clear

International Harvester

Fit score

Best match

Clear

Rated power

40 hp

44 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

liquid-cooledReference

gasolineReference

Total built

198Reference

—

Drive

crawlerReference

—

Engine

Fuel tank

68.1 LReference

79.5 LReference

Engine

29.8 kWReference

—

Displacement

2.5 LReference

4.1 LReference

Bore/Stroke

89 x 102 mmReference

98 x 133 mmReference

Power

29.8 kWReference

—

Rated RPM

2000Reference

1450Reference

Torque

157.3 NmReference

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Torque RPM

1300Reference

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Starter

electricReference

—

Starter volts

12Reference

—

Oil capacity

18.2 LReference

—

Coolant capacity

10.2 LReference

23.7 LReference

Aux. fuel

—

3.3 LReference

Drawbar (claimed)

—

24.6 kWReference

Compression

—

5.65:1Reference

Firing order

—

1-3-4-2Reference

Sparkplug gap

—

0.635 mmReference

Point gap

—

0.330 mmReference

Intake valve clearance

—

0.432 mmReference

Exhaust valve clearance

—

0.432 mmReference

Transmission

Type

gearReference

sliding gearReference

Gears

8 forward and 2 reverseReference

5 forward and 1 reverseReference

Clutch

279mm dry discReference

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Dimensions

Weight

5245 kgReference

2501 kgReference

Length

391 cmReference

315 cmReference

Height (steering wheel)

162 cmReference

—

Ground clearance

27 cmReference

—

Gauge

121 cmReference

—

Ag front

—

6.00-16Reference

Ag rear

—

15-30Reference

Height

—

231 cmReference

International Harvester B-85 attachments

International Harvester B-85 Tracks

Width

29 cmReference

160 cmReference

Length on ground

180 cmReference

—

Area on ground

1.1 m²Reference

—

Variants

ID-6

—

diesel engine W-6[TD297]Reference

—

row-cropReference

PTO & Hydraulics

PTO (claimed)

—

33.0 kWReference

Rear PTO Type

—

540Reference

I-6 Serial Numbers

1944

—

IBK6312Reference

1945

—

IBK9394Reference

1946

—

IBK14194Reference

1947

—

IBK17797Reference

1948

—

IBK22971Reference

1949

—

IBK29007Reference

1950

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IBK34083Reference

1951

—

IBK38524Reference

1952

—

IBK44318Reference

1953

—

IBK45831Reference

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.