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Farmall 656

The Farmall 656 is a tractor produced by Farmall. It is equipped with a 263 ci 4.3 L engine. The listed engine power is 65.8 hp 49.1 kW. Transmission: hydrostatic. Operating weight: 6250 to 7230 pounds.

Engine Power
65.8 hp 49.1 kW
Fuel & Capacities
LP gas
Transmission
hydrostatic
Operating Weight
6250 to 7230 pounds

Overview

Farmall 656 tractor photo
1965 - 1973 Row-Crop tractor
Production
Manufacturer
Farmall (a part of International Harvester)
Row-Crop tractor
Built in Rock Island, Illinois, USA
Variants
IH 656
utility tractor
2656
industrial tractor
Farmall 656
row-crop tractor
656HC
high-clear
Farmall 656 Power
Gasoline PTO (claimed)
63.8 hp 47.6 kW
Diesel PTO (claimed)
61.5 hp 45.9 kW
Plows
4-5
Drawbar (tested)
53.23 hp 39.7 kW
PTO (tested)
66.06 hp 49.3 kW
Performance test details ...
Mechanical
Two-wheel drive
Power steering
Independent mechanical disc brakes
Open operator station.
Hydraulics
Type
open center
Rear valves
1 or 2
Total flow
12 gpm 45.4 lpm
Tractor hitch
Rear Type
II
Control
position and draft control
Type
IH Fast Hitch
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
540/1000
Engine RPM
1000@1800
Dimensions & Tires
Wheelbase
96.3 inches 244 cm
Weight
6250 to 7230 pounds
Front tire
6.00-16
Rear tire
15.5-38
Full dimensions and tires ...
Electrical
Charging amps
55
Batteries
1 (gas/LP)
2 (diesel)
Battery volts
12 (gas/LP)
6 (diesel)
Battery AH
50 (gas)
60 (LP)
130 (diesel)
References
656 references literature
Farm Loaders published in 1965, by International Harvester
Farm Loaders published in 1970, by International Harvester
Spring 1968 Buyer's Guide published by International Harvester
Summer-Fall 1968 Buyer's Guide published by International Harvester
World Wide Farm Equipment Buyer's Guide published in 1968, by International Harvester*
Spring 1969 Buyer's Guide published by International Harvester
Spring 1970 Buyer's Guide published by International Harvester
Spring 1971 Buyer's Guide published by International Harvester
McCormick Farmall 656 Tractor published by International Harvester
Farm Equipment Reference Catalog published in 1965, by International Harvester
*Publication contains known errors.

Engine

Engine options
International Harvester 4.6L 6-cyl diesel
International Harvester 4.3L 6-cyl gasoline
International Harvester 4.3L 6-cyl LP gas

Engine Detail — 282 ci / 4.6 L Diesel

Manufacturer
International Harvester D-282
Fuel Type
Diesel
Configuration
6-cylinder, liquid-cooled
Displacement
282 ci 4.6 L
Bore/Stroke
3.6875x4.39 inches 94 x 112 mm
Air cleaner
dry
Compression
17.6:1
Rated RPM
1800 (early)
2300 (later)
Firing order
1-5-3-6-2-4
Starter volts
12
Oil capacity
9 qts 8.5 L
Coolant capacity
21.5 qts 20.3 L

Engine Detail — 263 ci / 4.3 L Gasoline

Manufacturer
International Harvester C-263
Fuel Type
Gasoline
Configuration
6-cylinder, liquid-cooled
Displacement
263 ci 4.3 L
Bore/Stroke
3.5625x4.39 inches 90 x 112 mm
Air cleaner
dry
Compression
7.6:1
Rated RPM
1800
Starter volts
12
Oil capacity
9 qts 8.5 L
Coolant capacity
20.5 qts 19.4 L

Engine Detail — 263 ci / 4.3 L LP Gas

Manufacturer
International Harvester C-263
Fuel Type
LP gas
Configuration
6-cylinder, liquid-cooled
Displacement
263 ci 4.3 L
Bore/Stroke
3.5625x4.39 inches 90 x 112 mm
Air cleaner
dry
Compression
8.8:1
Rated RPM
1800 (early)
2300 (late)
Starter volts
12
Oil capacity
9 qts 8.5 L
Coolant capacity
21 qts 19.9 L

Transmission

Transmission options
5-speed
10-speed two-speed power shift

Transmission — gear

Transmission
gear
Gears
5 forward and 1 reverse
Oil capacity
68 qts 64.4 L
With 15.5-38 rear tires.
656 gear speeds

Transmission — Torque Amplifier

Transmission
Torque Amplifier
Type
two-speed power shift
Gears
10 forward and 2 reverse
Oil capacity
68 qts 64.4 L
With 15.5-38 rear tires.
656 Torque Amplifier two-speed power shift speeds

Transmission — hydrostatic

Transmission
hydrostatic
Gears
infinite forward and reverse (2-range)
656 hydrostatic speeds

Dimensions

Farmall 656 Tires
Ag front
6.00-16
Ag rear
15.5-38
Dimensions
Wheelbase
96.3 inches 244 cm
Length
152 inches 386 cm
Width
87 inches 220 cm
Height (steering wheel)
77 inches 195 cm
Clearance (front axle)
21 inches 53 cm
Clearance (drawbar)
13 inches 33 cm
Front tread
8 inches 20 cm
Front tread
16 inches 40 cm
Rear tread
50 to 96 inches 127 to 243 cm
Farmall 656 Weight
Shipping
6250 lbs (gasoline) 2835 kg
6430 lbs (LP gas) 2916 kg
6520 lbs (diesel) 2957 kg
Operating
7,230 lbs (diesel) 3279 kg
Ballasted
9,235 lbs 4188 kg

Tests

Tractor Tests
NTTL 909: gasoline Torque Amplifier 2WD
NTTL 912: diesel Torque Amplifier 2WD
NTTL 967: diesel hydrostatic 2WD
NTTL 968: gasoline hydrostatic 2WD
Nebraska Tractor Test 909
Gasoline Torque Amplifier 2WD September 9 - 17, 1965 Link: Nebraska Tractor Test 909 file
PTO performance
Power at rated engine speed
63.85 hp 47.6 kW
Fuel use
5.2 gal/hour 19.7 l/hour
Drawbar performance
Max power
53.23 hp 39.7 kW
Fuel use
5.2 gal/hour 19.7 l/hour
Gear 3-Direct used for power test.
Max pull
7,486 lbs 3395 kg
Gear 2-TA used for pull test.
Nebraska Tractor Test 912
Diesel Torque Amplifier 2WD September 16 - 23, 1965 Link: Nebraska Tractor Test 912 file
PTO performance
Power at rated engine speed
61.52 hp 45.9 kW
Fuel use
4.3 gal/hour 16.3 l/hour
Drawbar performance
Max power
52.98 hp 39.5 kW
Fuel use
4.2 gal/hour 15.9 l/hour
Gear 3-Direct used for power test.
Max pull
7,500 lbs 3402 kg
Gear 2-TA used for pull test.
Nebraska Tractor Test 967
Diesel hydrostatic 2WD October 31 - November 29, 1967 Link: Nebraska Tractor Test 967 file
PTO performance
Power at rated engine speed
66.06 hp 49.3 kW
Fuel use
5.4 gal/hour 20.4 l/hour
Power at rated PTO speed
62.18 hp 46.4 kW
Fuel use
5.0 gal/hour 18.9 l/hour
Drawbar performance
Max power
50.50 hp 37.7 kW
Fuel use
5.4 gal/hour 20.4 l/hour
Gear 4 mph used for power test.
Max pull
7,558 lbs 3428 kg
Gear 2.5 mph used for pull test.
Nebraska Tractor Test 968
Gasoline hydrostatic 2WD October 31 - November 29, 1967 Link: Nebraska Tractor Test 968 file
PTO performance
Power at rated engine speed
65.8 hp 49.1 kW
Fuel use
6.3 gal/hour 23.8 l/hour
Power at rated PTO speed
60.81 hp 45.3 kW
Fuel use
5.6 gal/hour 21.2 l/hour
Drawbar performance
Max power
50.09 hp 37.4 kW
Fuel use
6.4 gal/hour 24.2 l/hour
Gear 4 mph used for power test.
Max pull
7,587 lbs 3441 kg
Gear 2.3 mph used for pull test.

Attachments

Attachment overview
International Harvester 1701 loader
International Harvester 2001 loader
International Harvester 2000 loader

Photos

Farmall 656

Farmall 656

International Farmall 656 Hi-Clear

International Farmall 656 Hi-Clear

International Farmall 656 Hi-Clear

International Farmall 656 Hi-Clear

International Farmall 656 with LP-gas engine.

International Farmall 656 with LP-gas engine.

International Farmall 656 with LP-gas engine.

International Farmall 656 with LP-gas engine.

International Farmall 656 with after-market cab.

International Farmall 656 with after-market cab.

Recommended Implements & Sizing Guide

Engineering recommendations for Farmall 656 based on its 65.8 HP power envelope and ASAE agricultural standards.

Implement & OperationRecommended SizeWorkload RatingEngineering Notes
Moldboard PlowPrimary Tillage
3 to 4 Bottom (16")3 - 4 铧 (40 cm)Heavy DutySuitable for medium loam and stubble turnover.
Rotary Cutter / MowerMowing & Clearing
7 to 8 ft (84-96 in)2.1 - 2.4 mHeavy DutyHeavy-duty twin spindle cutter for overgrown acreage.
Rotary TillerSeedbed Prep
78 to 84 in200 - 215 cmHeavy DutyHeavy commercial tiller with multi-speed gearbox.
Disc HarrowSecondary Tillage
7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙Medium DutyField leveling and clod breaking behind plows.
Hay BalerHay & Forage
4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机Heavy DutySilage and dry hay; 540 RPM PTO with slip-clutch.
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Farmall 656.

Estimated Continuous Field Runtime: 1.9 hrs

Approximately 1.9 hours of continuous field operation at ~75% rated power on a full tank (6.4 gal / 24.2 L).

Estimated 75% Load Fuel Burn~3.4 gal/hr (13 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Farmall 656 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Farmall 656.

Converted Equivalents:

Horsepower (HP)65.8 hp
Kilowatts (kW)49.1 kW
Metric Horsepower (PS / CV)66.7 PS

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