Compare/International Harvester Hydro 100 vs International Harvester TD-18A Series 182

International Harvester Hydro 100 vs International Harvester TD-18A Series 182

Verdict: International Harvester Hydro 100 vs International Harvester TD-18A Series 182

The International Harvester Hydro 100 and the International Harvester TD-18A Series 182 are both tractors — here is how they stack up on the figures that matter. International Harvester Hydro 100 leads on rated power with 104 hp against 103 hp. International Harvester TD-18A Series 182 is the lighter machine (9,752 kg vs 11,470 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester Hydro 100 is the newer design (1973 vs 1949). In short: choose the International Harvester Hydro 100 for outright pulling power, or the International Harvester TD-18A Series 182 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

104 hp

103 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

Gear 2.85 MPH used for pull test.Reference

1550 RPM diesel 6-speed crawlerSeptember 3 - 14, 1957Link: Nebraska Tractor Test 629 fileReference

Differential lock

mechanical rearReference

—

Total built

—

22,016Reference

Drive

—

crawlerReference

Steering

—

hydraulic steering clutchesReference

Engine

Drawbar (claimed)

59.7 kWReference

81.3 kWReference

Drawbar (tested)

58.4 kWReference

79.5 kWReference

Displacement

7.1 LReference

11.3 LReference

Bore/Stroke

109 x 127 mmReference

121 x 165 mmReference

Air cleaner

dual stage dryReference

—

Compression

15.8:1Reference

15.04:1Reference

Rated RPM

2400Reference

1550 (late)Reference

Idle RPM

900-2400Reference

—

Starter volts

12Reference

Oil capacity

102.2 LReference

—

Coolant capacity

24.6 LReference

98.4 LReference

Power at rated engine speed

77.7 kWReference

—

Max power

58.4 kWReference

79.5 kWReference

Fuel tank

—

227.1 LReference

Aux. fuel

—

5.0 LReference

Belt (claimed)

—

87.2 kWReference

Belt (tested)

—

90.7 kWReference

Starter

—

gasoline-startReference

Belt power (max)

—

90.7 kWReference

Transmission

Gears

infinite forward and reverse (2-range)Reference

6 forward and 2 reverseReference

PTO & Hydraulics

PTO (claimed)

77.6 kWReference

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PTO (tested)

77.7 kWReference

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Hydraulic system

102.2 LReference

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Type

hydrostaticReference

gearReference

Capacity

102.2 LReference

—

Rear valves

2Reference

—

Pump flow

45.4 lpmReference

—

Rear Type

IIReference

—

Control

lower-link draft sensingReference

—

Rear PTO

independentReference

—

Rear PTO Type

540/1000 (1.375)Reference

—

Engine RPM

1000@2072Reference

—

Power at rated PTO speed

75.5 kWReference

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Capacities

Fuel

159.0 LReference

—

Diameter

—

29 cmReference

RPM

—

906Reference

Speed

—

849.78 meters/minReference

Dimensions

Wheelbase

266 cmReference

—

Weight

11470 to 12130 poundsReference

9752 kgReference

Front tire

10.00-16Reference

—

Rear tire

18.4-34Reference

—

Ag front

10.00-16Reference

—

Ag rear

18.4-34Reference

—

Length

426 cmReference

421 cmReference

Width

259 cmReference

241 cmReference

Height (cab)

289 cmReference

—

Height (exhaust)

274 cmReference

—

Shipping weight

5202 kgReference

—

Operating weight

5502 kgReference

—

Clearance (drawbar)

35 cmReference

—

Bar rear axle

82 mmReference

—

Front tread

152 to 213 cmReference

—

Rear tread

167 to 325 cmReference

—

Height

—

269 cmReference

Hydro 100 Serial Numbers

1973

7501Reference

—

1974

7727Reference

—

1975

10915Reference

—

1976

12434Reference

—

Location:

Serial number plate on the left side of the transmission housing.Reference

upper-left dashReference

Electrical

Charging system

alternatorReference

—

Charging amps

72Reference

—

Test results

Fuel use

25.7 l/hourReference

—

Max pull

4445 kgReference

12134 kgReference

Belt fuel use (max)

—

34.1 l/hourReference

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

Final

—

38861 (TD182)Reference

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.