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Tractor · 1967Unverified

International Harvester 1256

Name: International Harvester 1256
Brand: International Harvester

International Harvester 1256 — Standard-tread tractor · 116 hp. Reference specifications; pending source verification.

The International Harvester 1256 is a tractor with a rated power of 116 hp, a mid-range figure for its class. It was manufactured from 1967 to 1969 and is equipped with a 6-cylinder turbocharged diesel liquid-cooled engine. The tractor features four-wheel drive and a powershift transmission, and its operating weight ranges from 9940 to 11030 pounds. It is suitable for operations of 200–800 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

116 hp

Max power

76.1 kW

Weight

9940 to 11030 pounds

Catalogue coverage

Variants represented

Richest spec table

85 rows

Recorded power

116 hp

Transmissions

8-speed gear

Production years

1967-1969

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference

Standard-tread tractorReference

Built in Rock Island, Illinois, USAReference

Original price was $10,700 in 1969Reference

Two- or four-wheel driveReference

Power steeringReference

Independent hydraulic dry disc brakesReference

Open operator station. Two-post ROPS optional. Cab optional with heat and air-conditioning.Reference

Variants

Farmall 1256row-cropReference

IH 1256standardReference

Engine

International Harvester 6.7L 6-cyl dieselReference

Fuel tank159.0 LReference

Drawbar (tested)76.1 kWReference

International Harvester DT407Reference

turbocharged dieselReference

6-cylinderReference

liquid-cooledReference

Displacement6.7 LReference

Bore/Stroke110 x 117 mmReference

Air cleanerdual dry elementsReference

Compression17:1Reference

Rated RPM2400Reference

Starter volts12Reference

Oil capacity14.2 LReference

Coolant capacity22.7 LReference

Power at rated engine speed86.6 kWReference

Max power76.1 kWReference

Transmission

8-speed gearReference

16-speed partial power shiftReference

TypegearReference

Gears8 forward and 4 reverseReference

Oil capacity64.4 LReference

The 1256's transmission provides four gears (1-4) in high, low, and reverse ranges.Reference

TransmissionTorque AmplifierReference

Typepartial power shiftReference

Gears16 forward and 8 reverseReference

Four gears (1-4) in two ranges (low/high) plus reverse range. The Torque Amplifier (TA) allows a clutchless shift from direct drive (DD) to the lower TA speed in all gears and ranges.Reference

PTO & Hydraulics

PTO (claimed)84.3 kWReference

PTO (tested)86.6 kWReference

Typeopen centerReference

Valves1Reference

Pump flow30.3 lpmReference

Rear TypeIII/IIReference

Rear PTOindependentReference

Rear PTO Type1000Reference

Engine RPM1000@2100Reference

Power at rated PTO speed84.5 kWReference

Dimensions

Wheelbase266 cmReference

Wheelbase233 cmReference

Weight9940 to 11030 poundsReference

Front tire10.00-16Reference

Rear tire18.4-38 (Farmall)Reference

Standard tires (ag)Front: 10.00-16. Rear: 18.4-38 (Farmall)Reference

Standard tires (ag)Front: 11.00-16. Rear: 24.5-32 (International)Reference

Length416 cmReference

Width233 cmReference

Height (steering wheel)218 cmReference

Bar rear axle82 mmReference

Shipping4508 kgReference

Shipping5003 kgReference

Operating4719 kgReference

Ballasted6264 kgReference

1256 Serial Numbers

Location:Serial number place on the left side of the 1256, on the clutch housing.Reference

19677501 (Farmall)Reference

19688849 (Farmall)Reference

196913140 (Farmall)Reference

19677501 (IH)Reference

19687703 (IH)Reference

19698444 (IH)Reference

FAQ: How to read a serial number table.Reference

Electrical

Charging systemalternatorReference

Charging amps55Reference

Batteries2Reference

Battery volts6Reference

Battery AH204Reference

Test results

Diesel Torque Amplifier 2WDApril 15 - 30, 1968Link: Nebraska Tractor Test 971 fileReference

PTO performanceReference

Fuel use28.4 l/hourReference

Fuel use25.7 l/hourReference

Drawbar performanceReference

Fuel use28.8 l/hourReference

Gear 1H-TA used for power test.Reference

Max pull5036 kgReference

Gear 3L-TA used for pull test.Reference

Speeds

With 18.4-38 rear tires.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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