Compare/Farmall 826 vs Farmall 966

Farmall 826 vs Farmall 966

Verdict: Farmall 826 vs Farmall 966

The Farmall 826 and the Farmall 966 are both tractors — here is how they stack up on the figures that matter. Farmall 966 leads on rated power with 96 hp against 92 hp. Farmall 826 is the lighter machine (4,472 kg vs 11,116 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall 966 is the newer design (1971 vs 1969). In short: choose the Farmall 966 for outright pulling power, or the Farmall 826 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

Farmall

Fit score

Best match

Clear

Farmall

Fit score

Best match

Clear

Rated power

92 hp

96 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Farmall (a part of International Harvester)Reference

With 18.4-34 rear tires.Reference

The hydrostatic transmission option ended in 1973 when the Hydro 100 began production.Reference

Total built

9,591Reference

21,017Reference

Final drives

bull gearReference

—

Differential lock

mechanical rearReference

—

Variants

International 826

standardReference

—

Farmall 826

row-cropReference

—

International 2826

industrialReference

—

Engine

Fuel tank

140.0 LReference

—

Hydro Drawbar (claimed)

45.5 kWReference

—

Drawbar (tested)

58.9 kWReference

63.5 kWReference

Displacement

4.9 LReference

6.8 LReference

Bore/Stroke

97 x 112 mmReference

109 x 121 mmReference

Air cleaner

dual stage dryReference

dual dry elementsReference

Compression

16:1Reference

—

Rated RPM

2400Reference

2600 (late)Reference

Starter

electricReference

—

Starter volts

12Reference

—

Oil capacity

11.4 LReference

85.2 LReference

Coolant capacity

35.0 LReference

22.7 LReference

Power at rated engine speed

63.1 kWReference

75.2 kWReference

Max power

45.8 kWReference

63.5 kWReference

Engine

—

84.3 kWReference

Drawbar (claimed)

—

62.6 kWReference

Power

—

84.3 kWReference

Firing order

—

1-5-3-6-2-4Reference

Transmission

Gear Drawbar (claimed)

58.9 kWReference

—

Gear Operating weight

4472 kgReference

—

Transmission

International Harvester Torque AmplifierReference

Torque AmplifierReference

Gears

infinite forward and reverse (2-range)Reference

infinite forward and reverseReference

Clutch

dry discReference

PTO & Hydraulics

Gear PTO (claimed)

68.6 kWReference

—

Hydro PTO (claimed)

62.6 kWReference

—

PTO (tested)

68.7 kWReference

75.2 kWReference

Type

hydrostaticReference

Rear Type

IIReference

Rear PTO

independentReference

Rear PTO Type

540/1000Reference

Engine RPM

1000@2100Reference

—

Power at rated PTO speed

58.9 kWReference

75.7 kWReference

PTO (claimed)

—

70.8 kWReference

Hydraulic system

—

85.2 LReference

Capacity

—

85.2 LReference

Pressure

—

137.9 barReference

Valves

—

1 to 4Reference

Pump flow

—

45.4 lpmReference

Total flow

—

79.5 lpmReference

Steering flow

—

34.1 lpmReference

Steering press.

—

106.9 barReference

Rear lift (at 24"/610mm)

—

1995 kgReference

Rear lift

—

2268 kgReference

Dimensions

Wheelbase

266 cmReference

Weight

4472 kgReference

11116 to 11700 poundsReference

Front tire

9.5L-15Reference

Rear tire

18.4-34Reference

Ag front

9.5L-15Reference

Ag rear

18.4-34Reference

Length

416 cmReference

419 cmReference

Height (steering wheel)

213 cmReference

—

Ballasted weight

6277 kgReference

—

Bar rear axle

82 by 2336 mmReference

—

Width

—

248 cmReference

Height (exhaust)

—

266 cmReference

Ground clearance

—

35 cmReference

Operating

—

5307 kgReference

Ballasted

—

6123 kgReference

Farmall 826 attachments

826 Serial Number Location

826 Serial Numbers

1969

7501 (IH)Reference

—

1970

7518 (IH)Reference

—

1971

7719 (IH)Reference

7101Reference

Electrical

Charging system

alternatorReference

—

Batteries

1 (gas/LP)Reference

2Reference

Battery volts

1 (gas/LP)Reference

6Reference

Charging amps

—

32Reference

Battery AH

—

172Reference

Test results

Fuel use

23.1 l/hourReference

26.1 l/hourReference

Max pull

3982 kgReference

4552 kgReference

Speeds

Capacities

Fuel

—

140.0 LReference

966 Serial Numbers

1972

—

11815Reference

1973

—

17794Reference

1974

—

22526Reference

1975

—

28119Reference

1976

—

31772Reference

Location:

—

Clutch housing, left sideReference

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.