Compare/International Harvester 1086 vs International Harvester BTD-20

International Harvester 1086 vs International Harvester BTD-20

Verdict: International Harvester 1086 vs International Harvester BTD-20

The International Harvester 1086 and the International Harvester BTD-20 are both tractors — here is how they stack up on the figures that matter. International Harvester BTD-20 leads on rated power with 135 hp against 131 hp. International Harvester 1086 is the lighter machine (12,300 kg vs 13,744 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 1086 is the newer design (1976 vs 1959). In short: choose the International Harvester BTD-20 for outright pulling power, or the International Harvester 1086 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

131 hp

135 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

The transmission features three ranges (low, high, and reverse) with four gears (1-4) in each range. The Torque Amplifier (TA) provides an additional high/low selection for each speed. The range and gear can be shifted only when the tractor is stopped. The TA can be shifted while the tractor is in motion.Reference

liquid-cooledReference

Total built

47,420Reference

3038Reference

Final drives

bull gearReference

Differential lock

mechanical rearReference

—

Steering

power assistReference

—

Drive

—

crawlerReference

Variants

1086 Hi-Clear

high clearanceReference

—

Engine

Drawbar (claimed)

85.0 kWReference

83.9 kWReference

Drawbar (tested)

84.3 kWReference

—

Displacement

6.8 LReference

12.2 LReference

Bore/Stroke

109 x 121 mmReference

130 x 152 mmReference

Air cleaner

dual dry elementReference

—

Rated RPM

2400Reference

1550Reference

Coolant capacity

23.7 LReference

40.9 LReference

Oil capacity

85.2 LReference

40.5 LReference

Power at rated engine speed

98.0 kWReference

—

Max power

84.3 kWReference

—

Fuel tank

—

268.4 LReference

Engine (net)

—

100.7 kWReference

Power (net)

—

100.7 kWReference

Torque

—

650.9 NmReference

Torque RPM

—

1150Reference

Starter

—

electricReference

Starter volts

—

24Reference

Transmission

Gears

16 forward and 8 reverseReference

6 forward and reverseReference

Transmission

Torque AmplifierReference

—

Oil type

IH Hy-Tran/B-6Reference

—

Clutch

—

406mm dry discReference

PTO & Hydraulics

PTO (claimed)

96.9 kWReference

—

PTO (tested)

98.0 kWReference

—

Hydraulic system

85.2 LReference

—

Type

two-speed power shiftReference

gearReference

Capacity

85.2 LReference

—

Valves

2Reference

—

Pump flow

45.4 lpmReference

—

Rear Type

IIIReference

—

Rear PTO

independentReference

—

Rear PTO Type

540/1000 (1.375)Reference

—

Engine RPM

1000@2100Reference

—

Power at rated PTO speed

99.7 kWReference

—

Capacities

Fuel

83.3 LReference

—

Dimensions

Wheelbase

269 cmReference

—

Weight

12300 to 13030 poundsReference

13744 kgReference

Front tire

10.00-16Reference

—

Rear tire

18.4-38Reference

—

2WD Ag front

10.00-16Reference

—

4WD Ag front

13.6-24Reference

—

Ag rear

18.4-38Reference

—

2WD Length

426 cmReference

—

4WD Length

429 cmReference

—

Width

248 cmReference

238 cmReference

Height (cab)

320 cmReference

—

Ground clearance

66 cmReference

35 cmReference

Bar rear axle

88 mmReference

—

Shipping

5910 kgReference

—

2WD Operating

5767 kgReference

—

Length

—

419 cmReference

Height

—

227 cmReference

Operating weight

—

13744 kgReference

Gauge

—

187 cmReference

1086 Serial Number Location

1086 Serial Numbers

1976

8601Reference

—

1977

14725Reference

—

1978

25672Reference

—

1979

34731Reference

—

1980

42186Reference

—

1981

51671Reference

—

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

generatorReference

Charging amps

61 (with cab)Reference

—

Batteries

2Reference

—

Battery CCA

470Reference

—

Battery volts

12Reference

—

Test results

Fuel use

32.2 l/hourReference

—

Max pull

6124 kgReference

—

Speeds

BTD-20 Serial Numbers

1959

—

556Reference

1960

—

845Reference

1961

—

1260Reference

1962

—

1637Reference

1963

—

1973Reference

1964

—

2296Reference

1965

—

2549Reference

1966

—

2820Reference

1967

—

2996Reference

1968

—

3140Reference

1969

—

3236Reference

1970

—

3314Reference

1971

—

3439Reference

1972

—

3489Reference

1973

—

3542Reference

1974

—

3590Reference

Final

—

3594Reference

International Harvester BTD-20 Tracks

Length on ground

—

238 cmReference

Area on ground

—

2.4 m²Reference

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.