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International Harvester 856 vs International Harvester TD-18A Series 182

Verdict: International Harvester 856 vs International Harvester TD-18A Series 182

The International Harvester 856 and the International Harvester TD-18A Series 182 are both tractors — here is how they stack up on the figures that matter. International Harvester TD-18A Series 182 leads on rated power with 103 hp against 100 hp. International Harvester 856 is the lighter machine (9,370 kg vs 9,752 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester TD-18A Series 182 holds more fuel (227.1 L vs 159.0 L) for longer stints between fills. International Harvester 856 is the newer design (1967 vs 1949). In short: choose the International Harvester TD-18A Series 182 for outright pulling power, or the International Harvester 856 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
International Harvester 856 Tractor
International Harvester
85
Fit score
Best match
Clear
International Harvester TD-18A Series 182 Tractor
International Harvester
85
Fit score
Best match
Clear
Rated power
100 hp
103 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
International HarvesterReference
International HarvesterReference
With 18.4-38 rear tires.Reference
1550 RPM diesel 6-speed crawlerSeptember 3 - 14, 1957Link: Nebraska Tractor Test 629 fileReference
Total built
4 (gasoline)Reference
22,016Reference
Steering
powerReference
hydraulic steering clutchesReference
Drive
crawlerReference
Variants
Farmall 856
row-crop tractorReference
Engine
Fuel tank
159.0 LReference
227.1 LReference
Drawbar (tested)
65.0 kWReference
79.5 kWReference
Displacement
4.9 LReference
11.3 LReference
Bore/Stroke
97 x 112 mmReference
121 x 165 mmReference
Air cleaner
dual dry elementsReference
Compression
8.8:1Reference
15.04:1Reference
Rated RPM
2400Reference
1550 (late)Reference
Idle RPM
900-2400Reference
Starter volts
12Reference
12Reference
Oil capacity
8.5 LReference
Coolant capacity
20.3 LReference
98.4 LReference
Power at rated engine speed
74.9 kWReference
Max power
65.0 kWReference
79.5 kWReference
Aux. fuel
5.0 LReference
Drawbar (claimed)
81.3 kWReference
Belt (claimed)
87.2 kWReference
Belt (tested)
90.7 kWReference
Starter
gasoline-startReference
Belt power (max)
90.7 kWReference
Transmission
Gears
16 forward and 8 reverseReference
6 forward and 2 reverseReference
Transmission
Torque AmplifierReference
PTO & Hydraulics
Diesel PTO (claimed)
70.8 kWReference
Gas PTO (claimed)
69.4 kWReference
PTO (tested)
74.9 kWReference
Type
two-speed power shiftReference
gearReference
Pump flow
45.4 lpmReference
Rear Type
IIReference
Rear PTO
independentReference
Rear PTO Type
540/1000Reference
Engine RPM
1000@2100Reference
Power at rated PTO speed
70.3 kWReference
Dimensions
Wheelbase
231 cmReference
Weight
9370 to 10290 poundsReference
9752 kgReference
Front tire
10.00-16Reference
Rear tire
18.4-38Reference
Ag front
10.00-16Reference
Ag rear
18.4-38Reference
Length
386 cmReference
421 cmReference
Width
203 cmReference
241 cmReference
Height (steering wheel)
205 cmReference
Bar rear axle
82 by 2032 mmReference
Diesel Shipping
4250 kgReference
Diesel Operating
4667 kgReference
Ballasted
5459 kgReference
Height
269 cmReference
856 Serial Number Location
856 Serial Numbers
1967
7501Reference
1968
7904Reference
1969
9016Reference
1970
9544Reference
1971
9653Reference
Electrical
Charging system
alternatorReference
Charging amps
55Reference
Diesel Batteries
2Reference
Gas Batteries
1Reference
Diesel Battery volts
6Reference
Gas Battery volts
12Reference
Diesel Battery AH
204Reference
Gas Battery AH
60Reference
Test results
Fuel use
22.7 l/hourReference
Max pull
4271 kgReference
12134 kgReference
Belt fuel use (max)
34.1 l/hourReference
Speeds
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
Capacities
Diameter
29 cmReference
RPM
906Reference
Speed
849.78 meters/minReference

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.

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