Compare/International Harvester 1086B vs International Harvester 966

International Harvester 1086B vs International Harvester 966

Verdict: International Harvester 1086B vs International Harvester 966

The International Harvester 1086B and the International Harvester 966 are both tractors — here is how they stack up on the figures that matter. International Harvester 1086B leads on rated power with 98 hp against 96 hp. International Harvester 1086B is the lighter machine (5,949 kg vs 11,116 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 1086B is the newer design (1981 vs 1971). In short: choose the International Harvester 1086B for outright pulling power, or the International Harvester 966 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

98 hp

96 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

liquid-cooled inlineReference

The hydrostatic transmission option ended in 1973 when the Hydro 100 began production.Reference

Total built

164Reference

21,017Reference

Differential lock

electro-hydraulic rearReference

—

Engine

110.4 kWReference

84.3 kWReference

Displacement

6.8 LReference

Bore/Stroke

109 x 121 mmReference

Power

110.4 kWReference

84.3 kWReference

Air cleaner

dryReference

dual dry elementsReference

Rated RPM

2400Reference

2600 (late)Reference

Starter type

electricReference

—

Drawbar (claimed)

—

62.6 kWReference

Drawbar (tested)

—

63.5 kWReference

Firing order

—

1-5-3-6-2-4Reference

Oil capacity

—

85.2 LReference

Coolant capacity

—

22.7 LReference

Power at rated engine speed

—

75.2 kWReference

Max power

—

63.5 kWReference

Transmission

two-speed power shiftReference

Torque AmplifierReference

Gears

16 forward and 4 reverseReference

infinite forward and reverseReference

Clutch

hydraulic cerametallic discReference

dry discReference

PTO & Hydraulics

PTO (claimed)

73.1 kWReference

70.8 kWReference

Type

Torque AmplifierReference

hydrostaticReference

Rear Type

III/IIReference

IIReference

Rear PTO

independentReference

Rear PTO Type

540/1000 (1.375)Reference

540/1000Reference

Engine RPM

1000@2100Reference

—

PTO (tested)

—

75.2 kWReference

Hydraulic system

—

85.2 LReference

Capacity

—

85.2 LReference

Pressure

—

137.9 barReference

Valves

—

1 to 4Reference

Pump flow

—

45.4 lpmReference

Total flow

—

79.5 lpmReference

Steering flow

—

34.1 lpmReference

Steering press.

—

106.9 barReference

Rear lift (at 24"/610mm)

—

1995 kgReference

Rear lift

—

2268 kgReference

Power at rated PTO speed

—

75.7 kWReference

Dimensions

Weight

5949 kgReference

11116 to 11700 poundsReference

Front tire

11.00-16Reference

9.5L-15Reference

Rear tire

24.5-32Reference

18.4-34Reference

Ag front

11.00-16Reference

9.5L-15Reference

Ag rear

24.5-32Reference

18.4-34Reference

Length

426 cmReference

419 cmReference

Width

259 cmReference

248 cmReference

Shipping weight

5949 kgReference

—

Ground clearance

39 cmReference

35 cmReference

Wheelbase

—

266 cmReference

Height (exhaust)

—

266 cmReference

Bar rear axle

—

82 mmReference

Operating

—

5307 kgReference

Ballasted

—

6123 kgReference

Variants

Hi-Clear

—

high-crop modelReference

Capacities

Fuel

—

140.0 LReference

966 Serial Numbers

1971

—

7101Reference

1972

—

11815Reference

1973

—

17794Reference

1974

—

22526Reference

1975

—

28119Reference

1976

—

31772Reference

Location:

—

Clutch housing, left sideReference

Electrical

Charging amps

—

32Reference

Batteries

—

2Reference

Battery volts

—

6Reference

Battery AH

—

172Reference

Test results

Fuel use

—

26.1 l/hourReference

Max pull

—

4552 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.