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Farmall 856 vs Farmall Hydro 100

Verdict: Farmall 856 vs Farmall Hydro 100

The Farmall 856 and the Farmall Hydro 100 are both tractors — here is how they stack up on the figures that matter. Farmall Hydro 100 leads on rated power with 104 hp against 100 hp. Farmall 856 is the lighter machine (9,270 kg vs 11,470 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall Hydro 100 is the newer design (1973 vs 1967). In short: choose the Farmall Hydro 100 for outright pulling power, or the Farmall 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
Farmall 856 Tractor
Farmall
85
Fit score
Best match
Clear
Farmall Hydro 100 Tractor
Farmall
85
Fit score
Best match
Clear
Rated power
100 hp
104 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
Farmall (a part of International Harvester)Reference
International HarvesterReference
With 16.9-38 rear tires.Reference
Gear 2.85 MPH used for pull test.Reference
Total built
3,676 (F856 Custom total)Reference
Differential lock
mechanical rearReference
Variants
IH 856
standard chassisReference
Farmall 856
row-crop chassisReference
856 Custom
economy modelReference
Engine
Fuel tank
181.7 LReference
Drawbar (tested)
65.0 kWReference
58.4 kWReference
Displacement
4.9 LReference
7.1 LReference
Bore/Stroke
97 x 112 mmReference
109 x 127 mmReference
Air cleaner
dual dry elementsReference
dual stage dryReference
Compression
8.8:1Reference
15.8:1Reference
Rated RPM
2400Reference
2400Reference
Starter volts
12Reference
12Reference
Oil capacity
64.4 LReference
102.2 LReference
Coolant capacity
20.3 LReference
24.6 LReference
Power at rated engine speed
74.9 kWReference
77.7 kWReference
Max power
65.0 kWReference
58.4 kWReference
Drawbar (claimed)
59.7 kWReference
Idle RPM
900-2400Reference
Transmission
Transmission
Torque AmplifierReference
Gears
16 forward and 8 reverseReference
infinite forward and reverse (2-range)Reference
Clutch
dry discReference
PTO & Hydraulics
PTO (claimed)
70.8 kWReference
77.6 kWReference
PTO (tested)
74.9 kWReference
77.7 kWReference
Rear Type
2Reference
IIReference
Type
two-speed power shiftReference
hydrostaticReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000Reference
540/1000 (1.375)Reference
Engine RPM
1000@2100Reference
1000@2072Reference
Power at rated PTO speed
70.3 kWReference
75.5 kWReference
Hydraulic system
102.2 LReference
Capacity
102.2 LReference
Rear valves
2Reference
Pump flow
45.4 lpmReference
Control
lower-link draft sensingReference
Dimensions
Wheelbase
266 cmReference
266 cmReference
Weight
9270 to 10290 poundsReference
11470 to 12130 poundsReference
Front tire
7.50-16Reference
10.00-16Reference
Rear tire
16.9-38Reference
18.4-34Reference
Ag front
7.50-16Reference
10.00-16Reference
Ag rear
16.9-38Reference
18.4-34Reference
Length
416 cmReference
426 cmReference
Width
233 cmReference
259 cmReference
Height (steering wheel)
218 cmReference
Shipping
4204 kgReference
Operating
4667 kgReference
Ballasted
5459 kgReference
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
Farmall 856 attachments
856 Serial Number Location
856 Serial Numbers
1967
7501Reference
1968
9854Reference
1969
19554Reference
1970
28693Reference
1971
32420Reference
Test results
Fuel use
22.7 l/hourReference
25.7 l/hourReference
Max pull
4271 kgReference
4445 kgReference
Speeds
Capacities
Fuel
159.0 LReference
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
Electrical
Charging system
alternatorReference
Charging amps
72Reference

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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