Compare/International Harvester 845 vs International Harvester TD-18A

International Harvester 845 vs International Harvester TD-18A

Verdict: International Harvester 845 vs International Harvester TD-18A

The International Harvester 845 and the International Harvester TD-18A are both tractors — here is how they stack up on the figures that matter. International Harvester TD-18A leads on rated power with 87 hp against 86 hp. International Harvester 845 is the lighter machine (6,923 kg vs 22,830 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 845 is the newer design (1978 vs 1949). In short: choose the International Harvester TD-18A for outright pulling power, or the International Harvester 845 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

86 hp

87 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

Four gears in two ranges, plus reverse, with an additional two-range shift.Reference

Gear 1 used for pull test.Reference

Final drives

planetaryReference

—

Differential lock

mechanical rearReference

—

Total built

—

22,016Reference

Drive

—

crawlerReference

Steering

—

mechanical steering clutchesReference

Engine

Engine (gross)

64.1 kWReference

—

Engine (net)

58.9 kWReference

—

Displacement

4.4 LReference

11.3 LReference

Bore/Stroke

100 x 140 mmReference

121 x 165 mmReference

Rated Power (net)

58.9 kWReference

—

Power (gross)

64.1 kWReference

—

Rated RPM

2300Reference

1350Reference

Idle RPM

650-2490Reference

—

Torque

294.3 NmReference

—

Torque RPM

1400Reference

—

Firing order

1-3-4-2Reference

—

Starter

electricReference

gasoline-startReference

Starter volts

12Reference

Fuel tank

—

227.1 LReference

Aux. fuel

—

5.0 LReference

Drawbar (claimed)

—

64.9 kWReference

Belt (claimed)

—

75.3 kWReference

Drawbar (tested)

—

63.8 kWReference

Belt (tested)

—

73.0 kWReference

Air cleaner

—

oil bathReference

Compression

—

15.5:1Reference

Coolant capacity

—

98.4 LReference

Belt power (max)

—

73.0 kWReference

Max power

—

63.8 kWReference

Transmission

Agriomatic SReference

—

Type

creeperReference

gearReference

Gears

16 forward and 8 reverseReference

6 forward and 2 reverseReference

Clutch

280mm dry discReference

—

Oil capacity

29.1 LReference

24.6 LReference

PTO & Hydraulics

PTO (claimed)

54.0 kWReference

—

Pump flow

29.9 lpmReference

—

Rear Type

IIReference

—

Rear lift

3099 kgReference

—

Rear PTO Type

540/1000 (1.375)Reference

—

Dimensions

2WD Wheelbase

237 cmReference

—

4WD Wheelbase

233 cmReference

—

Weight

6923 to 7828 poundsReference

22830 to 23630 poundsReference

Front tire

7.50-18Reference

—

2WD Rear tire

16.9/14-34Reference

—

2WD Standard tires (ag)

Front: 7.50-18. Rear: 16.9/14-34Reference

—

4WD Standard tires (ag)

Front: 12.4-24. Rear: 16.9/14-34Reference

—

2WD Length

363 cmReference

—

4WD Length

369 cmReference

—

Width

199 cmReference

241 cmReference

Height (cab)

258 cmReference

—

Height (exhaust)

183 cmReference

—

2WD Shipping weight

3140 kgReference

—

4WD Shipping weight

3550 kgReference

—

2WD Ground clearance

46 cmReference

—

4WD Ground clearance

36 cmReference

—

2WD Front tread

135 to 178 cmReference

—

4WD Front tread

150 to 180 cmReference

—

Rear tread

137 to 198 cmReference

—

Length

—

421 cmReference

Height

—

269 cmReference

Shipping weight

—

10718 kgReference

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Charging amps

33Reference

—

Battery volts

12Reference

—

Battery AH

110Reference

—

TD-18A Serial Numbers

1949

—

22536 (TDR)Reference

1950

—

22837 (TDR)Reference

1951

—

24668 (TDR)Reference

1952

—

27245 (TDR)Reference

1953

—

29201 (TDR)Reference

1954

—

32089 (TDR)Reference

1955

—

33650 (TD181)Reference

1956

—

36101 (TD182)Reference

1957

—

37882 (TD182)Reference

1958

—

38805 (TD182)Reference

Location:

—

upper-left dashReference

Final

—

38861 (TD182)Reference

Test results

Belt fuel use (max)

—

25.4 l/hourReference

Max pull

—

9178 kgReference

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.