Farmall 756 tractor specifications

1967 - 1971

1967 - 1971 56 SeriesRow-Crop tractor

Production

Production Manufacturer:Farmall (a part of International Harvester)
Type:Row-Crop tractor
The Farmall 756 was not tested at Nebraska, the tests for the Farmall 706 were used.

Variants

Variants IH 756:standard chassis
Farmall 756:row-crop chassis
756 Custom:economy model

1967 - 1983

Production

Production
Manufacturer:	International Harvester
Factories:	Geelong, Australia
	Rock Island, Illinois, USA
Original price:	$8,300 (1971 )
Production in the United States ended in 1971. In Australia, the 756 was in production until 1983.

Variants

Variants
Farmall 756:	row-crop tractor

International Harvester 756 Power

International Harvester 756 Power
Drawbar (claimed):	69 hp 51.5 kW
PTO (claimed):	76 hp 56.7 kW

International Harvester 756 Engines

International Harvester 756 Engines
Interntional Harvester 5.1L 6-cyl diesel
International Harvester 4.8L 6-cyl gasoline
Fuel tank:	33 gal 124.9 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
	4x4 MFWD 4WD
Steering:	power
Cab:	Open operator station. Cab optional.
Transmission:	16-speed two-speed power shift
Transmission details ...

Hydraulics

Hydraulics
Type:	open center
Pump flow:	12 gpm 45.4 lpm

Tractor hitch

Tractor hitch
Rear Type:	II

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540/1000
Engine RPM:	540@2100 1000@2100

Dimensions & Tires

Dimensions & Tires
Wheelbase:	101 inches 256 cm
Weight:	8400 lbs 3810 kg
Front tire:	7.50-18
Rear tire:	18.4-30
Full dimensions and tires ...

756 Serial Numbers

756 Serial Numbers
Location:	Clutch housing, left side.
photo of 756 serial number
1967 (Farmall):	7501
1968 (Farmall):	9904
1969 (Farmall):	14125
1970 (Farmall):	17832
1971 (Farmall):	18374
1967 (IH):	7501
1968 (IH):	7672
1969 (IH):	8164
1970 (IH):	8284
1971 (IH):	8427
how to read serial numbers...

Farmall 756 Power

Farmall 756 Power Drawbar (claimed):68 hp
50.7 kW
PTO (claimed):76.5 hp
57.0 kW
Drawbar (tested):67.46 hp
50.3 kW
PTO (tested):76.56 hp
57.1 kW
power test details ...

1967 - 1971

56 Series

Row-Crop tractor

Nebraska Tractor Test 955

Nebraska Tractor Test 955
310 diesel Torque Amplifier 2WD November 14 - 28, 1966 Link: Nebraska Tractor Test 955 file
PTO performance
Power at rated engine speed:	76.09 hp 56.7 kW
Fuel use:	5.0 gal/hour 18.9 l/hour
Power at rated PTO speed:	71.84 hp 53.6 kW
Fuel use:	4.7 gal/hour 17.8 l/hour
Drawbar performance
Max power:	67.46 hp 50.3 kW
Fuel use:	5.0 gal/hour 18.9 l/hour
Gear 1-High-Direct used for power test.
Max pull:	8,416 lbs 3817 kg
Gear 3-Low-TA used for pull test.

Nebraska Tractor Test 956

Nebraska Tractor Test 956
291 LP gas Torque Amplifier 2WD November 14 - 28, 1966 Link: Nebraska Tractor Test 956 file
PTO performance
Power at rated engine speed:	76.3 hp 56.9 kW
Fuel use:	8.4 gal/hour 31.8 l/hour
Power at rated PTO speed:	70.98 hp 52.9 kW
Fuel use:	7.6 gal/hour 28.8 l/hour
Drawbar performance
Max power:	66.53 hp 49.6 kW
Fuel use:	8.3 gal/hour 31.4 l/hour
Gear 1-High-Direct used for power test.
Max pull:	8,387 lbs 3804 kg
Gear 3-Lo-TA used for pull test.

Nebraska Tractor Test 957

Nebraska Tractor Test 957
291 gas Torque Amplifier 2WD November 16 - 28, 1966 Link: Nebraska Tractor Test 957 file
PTO performance
Power at rated engine speed:	76.56 hp 57.1 kW
Fuel use:	6.3 gal/hour 23.8 l/hour
Power at rated PTO speed:	71.8 hp 53.5 kW
Fuel use:	5.8 gal/hour 22.0 l/hour
Drawbar performance
Max power:	65.67 hp 49.0 kW
Fuel use:	6.3 gal/hour 23.8 l/hour
Gear 1-High-DD used for power test.
Max pull:	8,387 lbs 3804 kg
Gear 3-Low-TA used for pull test.

Farmall 756 Engines

Farmall 756 Engines International Harvester 5.1L 6-cyl diesel International Harvester 4.8L 6-cyl gasoline International Harvester 4.8L 6-cyl LP gas Fuel tank:33 gal
124.9 L (diesel/gas)
39 gal
147.6 L (LPG)
Engine details ...

1967 - 1971

56 Series

Row-Crop tractor

Engines overview

Engines overview
International Harvester 5.1L 6-cyl diesel
International Harvester 4.8L 6-cyl gasoline
International Harvester 4.8L 6-cyl LP gas

Engine Detail

Engine Detail
International Harvester D-310
diesel
6-cylinder
liquid-cooled
Displacement:	310 ci 5.1 L
Bore/Stroke:	3.875x4.375 inches 98 x 111 mm
Air cleaner:	dual dry elements
Compression:	16:1
Rated RPM:	2300
Starter volts:	12
Oil capacity:	12 qts 11.4 L
Coolant capacity:	23.5 qts 22.2 L

Engine Detail

Engine Detail
International Harvester C-291
gasoline
6-cylinder
liquid-cooled
Displacement:	291 ci 4.8 L
Bore/Stroke:	3.75x4.39 inches 95 x 112 mm
Air cleaner:	dual dry elements
Compression:	7.6:1
Rated RPM:	2300
Starter volts:	12
Oil capacity:	9 qts 8.5 L
Coolant capacity:	20.5 qts 19.4 L

Engine Detail

Engine Detail
International Harvester C-291
LP gas
6-cylinder
liquid-cooled
Displacement:	291 ci 4.8 L
Bore/Stroke:	3.75x4.39 inches 95 x 112 mm
Air cleaner:	dual dry elements
Compression:	7.6:1
Rated RPM:	2300
Starter volts:	12
Oil capacity:	9 qts 8.5 L
Coolant capacity:	21 qts 19.9 L

Mechanical

Mechanical Chassis:4x2 2WD
4x4 MFWD 4WD
Steering:hydrostatic power
Brakes:independent hydraulic disc
Cab:Cab optional with heat and A/C
Transmissions:8-speed
16-speed two-speed power shift
Transmission details ...

1967 - 1971

56 Series

Row-Crop tractor

Transmissions overview

Transmissions overview
8-speed
16-speed two-speed power shift

Transmission

Transmission
Transmission:	gear
Gears:	8 forward and 4 reverse
Clutch:	dry disc
Oil capacity:	68 qts 64.4 L
Four gears each in high, low, and reverse ranges.

Speeds

Speeds
With 15.5-38 rear tires.

Transmission

Transmission
Transmission:	Torque Amplifier
Type:	two-speed power shift
Gears:	16 forward and 8 reverse
Clutch:	dry disc
Oil capacity:	68 qts 64.4 L
The Torque Amplifier (TA) provides a power shift from direct drive (DD) to a lower speed for every gear and range.

Speeds

Speeds
With 15.5-38 rear tires.

Tractor hitch

Tractor hitch Rear Type:2
Type:IH Fast Hitch

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:1000
540/1000
Engine RPM:540@2100
1000@2100

Dimensions & Tires

Dimensions & Tires Wheelbase:105 inches
266 cm
Weight:8,350 lbs
3787 kg
Front tire:6.50-16
Rear tire:15.5-38
Full dimensions and tires ...

1967 - 1971

56 Series

Row-Crop tractor

Farmall 756 Tires

Farmall 756 Tires
Ag front:	6.50-16
Ag rear:	15.5-38

Dimensions

Dimensions
Wheelbase:	105 inches 266 cm
Length:	164 inches 416 cm
Width:	92 inches 233 cm
Height (steering wheel):	82 inches 208 cm
Shipping weight:	8,350 lbs 3787 kg (diesel)

756 Serial Numbers

756 Serial Numbers Location:Clutch housing, left side.
1967 (Farmall):7501
1968 (Farmall):9904
1969 (Farmall):14125
1970 (Farmall):17832
1971 (Farmall):18374
1967 (IH):7501
1968 (IH):7672
1969 (IH):8164
1970 (IH):8284
1971 (IH):8427

how to read serial numbers...

Electrical

Electrical Charging system:alternator
Charging amps:55
Batteries:1 (gas/LPG)
2 (diesel)
Battery volts:12 (gas/LPG)
6 (diesel)
Battery AH:60 (gas/LPG)
130 (diesel)