Compare/Farmall 756 vs Farmall 766

Farmall 756 vs Farmall 766

Verdict: Farmall 756 vs Farmall 766

The Farmall 756 and the Farmall 766 are both tractors — here is how they stack up on the figures that matter. Farmall 766 leads on rated power with 80 hp against 76 hp. Farmall 756 is the lighter machine (3,787 kg vs 4,672 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall 766 holds more fuel (140.0 L vs 124.9 L) for longer stints between fills. In short: choose the Farmall 766 for outright pulling power, or the Farmall 756 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

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

76 hp

80 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Farmall (a part of International Harvester)Reference

The Torque Amplifier (TA) provides a power shift from direct drive (DD) to a lower speed for every gear and range.Reference

Four gears (1-4) in two ranges (low/high) with the Torque Amplifer (TA) power shift. The TA allows a shift-on-the-move between direct drive and a lower speed.Reference

Steering

hydrostatic powerReference

—

Total built

—

10,799Reference

Variants

IH 756

standard chassisReference

—

Farmall 756

row-crop chassisReference

—

756 Custom

economy modelReference

—

Engine

Fuel tank

147.6 LReference

140.0 LReference

Drawbar (claimed)

50.7 kWReference

—

Drawbar (tested)

50.3 kWReference

54.7 kWReference

Displacement

4.8 LReference

5.9 LReference

Bore/Stroke

95 x 112 mmReference

98 x 129 mmReference

Air cleaner

dual dry elementsReference

dual stage dryReference

Compression

7.6:1Reference

17:1Reference

Rated RPM

2300Reference

2400Reference

Starter volts

12Reference

Oil capacity

64.4 LReference

—

Coolant capacity

19.9 LReference

—

Power at rated engine speed

57.1 kWReference

63.7 kWReference

Max power

49.0 kWReference

54.7 kWReference

Transmission

Torque AmplifierReference

Gears

16 forward and 8 reverseReference

Clutch

dry discReference

PTO & Hydraulics

PTO (claimed)

57.0 kWReference

—

PTO (tested)

57.1 kWReference

63.7 kWReference

Rear Type

2Reference

Type

two-speed power shiftReference

Rear PTO

independentReference

Rear PTO Type

540/1000Reference

Engine RPM

1000@2100Reference

—

Power at rated PTO speed

53.5 kWReference

63.9 kWReference

Pump flow

—

45.4 lpmReference

Dimensions

Wheelbase

266 cmReference

Weight

3787 kgReference

4672 kgReference

Front tire

6.50-16Reference

9.5L-15Reference

Rear tire

15.5-38Reference

18.4-34Reference

Ag front

6.50-16Reference

9.5L-15Reference

Ag rear

15.5-38Reference

18.4-34Reference

Length

416 cmReference

419 cmReference

Width

233 cmReference

248 cmReference

Height (steering wheel)

208 cmReference

—

Shipping weight

3787 kgReference

—

Height (exhaust)

—

266 cmReference

Operating weight

—

4672 kgReference

Ballasted weight

—

5388 kgReference

Clearance (drawbar)

—

35 cmReference

Front tread

—

152 to 213 cmReference

Rear tread

—

142 to 254 cmReference

Farmall 756 attachments

756 Serial Numbers

Location:

Clutch housing, left side.Reference

—

1967 (Farmall)

7501Reference

—

1968 (Farmall)

9904Reference

—

1969 (Farmall)

14125Reference

—

1970 (Farmall)

17832Reference

—

1971 (Farmall)

18374Reference

—

1967 (IH)

7501Reference

—

1968 (IH)

7672Reference

—

1969 (IH)

8164Reference

—

1970 (IH)

8284Reference

—

1971 (IH)

8427Reference

—

Electrical

Charging system

alternatorReference

—

Charging amps

55Reference

—

Batteries

2 (diesel)Reference

—

Battery volts

6 (diesel)Reference

—

Battery AH

130 (diesel)Reference

—

Test results

Fuel use

22.0 l/hourReference

23.1 l/hourReference

Max pull

3804 kgReference

4189 kgReference

Speeds

766 Serial Number Location

766 Serial Numbers

1971

—

7101Reference

1972

—

7416Reference

1973

—

9611Reference

1974

—

12378Reference

1975

—

14630Reference

1976

—

16840Reference

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.