Compare/International Harvester 986 vs International Harvester TD-15

International Harvester 986 vs International Harvester TD-15

Verdict: International Harvester 986 vs International Harvester TD-15

The International Harvester 986 and the International Harvester TD-15 are both tractors — here is how they stack up on the figures that matter. International Harvester 986 leads on rated power with 106 hp against 105 hp. International Harvester TD-15 is the lighter machine (10,224 kg vs 10,500 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 986 is the newer design (1976 vs 1958). In short: choose the International Harvester 986 for outright pulling power, or the International Harvester TD-15 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

106 hp

105 hp

Confidence

40%

Guide price

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Overview

Manufacturer

International HarvesterReference

18.4-34 rear tires.Reference

Gear 1 used for pull test.Reference

Total built

20,554Reference

3,500Reference

Original price

$31,100 (1981)Reference

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Final drives

bull gearReference

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Steering

power assistReference

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Drive

—

crawlerReference

Variants

986 Hi-Clear

high clearanceReference

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Engine

Drawbar (claimed)

68.6 kWReference

63.4 kWReference

Drawbar (tested)

67.2 kWReference

57.4 kWReference

Displacement

7.1 LReference

9.1 LReference

Bore/Stroke

109 x 127 mmReference

117 x 140 mmReference

Air cleaner

dual dry elementReference

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Rated RPM

2400Reference

1650Reference

Coolant capacity

24.6 LReference

71.9 LReference

Oil capacity

85.2 LReference

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Power at rated engine speed

78.8 kWReference

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Max power

67.2 kWReference

57.4 kWReference

Fuel tank

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230.9 LReference

Aux. fuel

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5.0 LReference

Engine (net)

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78.3 kWReference

Power (net)

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78.3 kWReference

Compression

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15.95:1Reference

Torque

—

523.4 NmReference

Torque RPM

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1200Reference

Starter volts

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12Reference

Transmission

Torque AmplifierReference

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Gears

16 forward and 8 reverseReference

6 forward and reverseReference

Oil type

IH Hy-Tran/B-6Reference

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Clutch

—

381mm dry discReference

PTO & Hydraulics

PTO (claimed)

78.3 kWReference

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PTO (tested)

78.8 kWReference

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Hydraulic system

85.2 LReference

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Type

two-speed power shiftReference

shuttleReference

Capacity

85.2 LReference

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Valves

2Reference

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Rear Type

IIReference

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Rear lift (at 24"/610mm)

2612 kgReference

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Rear PTO

independentReference

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Rear PTO Type

540/1000 (1.375)Reference

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Engine RPM

1000@2100Reference

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Power at rated PTO speed

78.8 kWReference

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Capacities

Fuel

83.3 LReference

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Dimensions

Wheelbase

269 cmReference

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Weight

10500 to 13030 poundsReference

10224 kgReference

Front tire

10.00-16Reference

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Rear tire

18.4-38Reference

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Ag front

10.00-16Reference

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Ag rear

18.4-38Reference

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Length

429 cmReference

382 cmReference

Width

259 cmReference

233 cmReference

Height (cab)

317 cmReference

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Ground clearance

66 cmReference

27 cmReference

Bar rear axle

82 mmReference

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Shipping

5601 kgReference

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Operating

5910 kgReference

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Height (hood)

—

207 cmReference

Height (exhaust)

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237 cmReference

Operating weight

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10224 kgReference

Gauge

—

187 cmReference

986 Serial Number Location

986 Serial Numbers

1976

8601Reference

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1977

11145Reference

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1978

15624Reference

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1979

19288Reference

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1980

22696Reference

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1981

25220Reference

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Electrical

Ground

negativeReference

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Charging system

alternatorReference

generatorReference

Charging amps

61 (with cab)Reference

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Batteries

2Reference

Battery CCA

470Reference

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Battery volts

12Reference

6Reference

Test results

Fuel use

26.9 l/hourReference

29.5 l/hourReference

Max pull

5523 kgReference

9650 kgReference

Speeds

International Harvester TD-15 attachments

TD-15 Serial Numbers

1958

—

501 (150)Reference

1959

—

577 (150)Reference

1960

—

2456 (150)Reference

1961

—

4001 (151)Reference

1962

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4680 (151)Reference

Location:

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Serial number plate on the lower-right of the dashboard.Reference

International Harvester TD-15 Tracks

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.