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Tractor · 1977Unverified

International Harvester 784

Name: International Harvester 784
Brand: International Harvester

International Harvester 784 — 84 Series · 67 hp. Reference specifications; pending source verification.

The International Harvester 784 is a tractor model rated at 67 hp, positioning it centrally within its class for power output. Manufactured from 1977 to 1984, this model is equipped with a 4-cylinder diesel liquid-cooled engine, coupled to a powershift transmission and four-wheel drive. The listed weight of the 784 ranges from 5850 to 7108 pounds, with an intended application covering areas of up to 200 acres.

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

Rated power

67 hp

Max power

42.4 kW

Weight

5850 to 7108 pounds

Catalogue coverage

Variants represented

Richest spec table

103 rows

Recorded power

67 hp

Transmissions

8-speed syncromesh

Production years

1977-1984

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

Utility tractorReference

Built in Doncaster, EnglandReference

Original price was $22,300 in 1984Reference

The International Harvester 784 was available in three configurations: row-crop, utility, and low-profile. The front axle and rear wheel were the primary difference between the three versions of the 784.Reference

Two- or four-wheel driveReference

Power steeringReference

Independent hydraulic wet disc brakesReference

ROPS standard, except on low-profile. Canopy optional. Cab optional on row-crop.Reference

Engine

International Harvester 4.0L 4-cyl dieselReference

Drawbar (claimed)43.7 kWReference

Drawbar (tested)42.4 kWReference

International Harvester D-246Reference

dieselReference

4-cylinderReference

liquid-cooledReference

Displacement4.0 LReference

Bore/Stroke100 x 129 mmReference

Air cleanerdryReference

Compression15.5:1Reference

Rated RPM2400Reference

Starter volts12Reference

Oil capacity8.3 LReference

Coolant capacity13.6 LReference

Power at rated engine speed50.3 kWReference

Max power42.4 kWReference

Transmission

8-speed syncromeshReference

16-speed two-speed power shiftReference

TypesyncromeshReference

Gears8 forward and 4 reverseReference

Clutchdry discReference

Oil capacity34.1 LReference

Four synchronized gears in high, low, and reverse ranges.Reference

TransmissionTorque AmplifierReference

Typetwo-speed power shiftReference

Gears16 forward and 8 reverseReference

The Torque Amplifier (TA) provides a power shift (clutchless, on the move) from direct drive (DD) to a lower TA speed.Reference

PTO & Hydraulics

PTO (claimed)50.3 kWReference

PTO (tested)50.3 kWReference

Hydraulic system34.1 LReference

Typeopen centerReference

Capacity34.1 LReference

Valves1 or 2Reference

Pump flow49.2 lpmReference

Pump flow58.3 lpmReference

Rear TypeIIReference

Controlposition and draft controlReference

Rear lift1632 kgReference

Rear PTOindependentReference

Clutchhydraulic wet discReference

Rear PTO Type540/1000 (1.375)Reference

Power at rated PTO speed45.7 kWReference

Capacities

Fuel75.7 LReference

Dimensions

Utility Wheelbase223 cmReference

Row-crop Wheelbase214 cmReference

4WD Wheelbase216 cmReference

Low-profile Wheelbase212 cmReference

Weight5850 to 7108 poundsReference

Front tire7.50-16Reference

Rear tire16.9-30Reference

Ag front7.50-16 (row-crop)Reference

Ag front9.00-10 (low-profile)Reference

Ag rear16.9-30 (utility)Reference

Ag rear15.8-38 (row-crop)Reference

Ag rear18.4-16.1 (low-profile)Reference

Utility Length360 cmReference

Row-crop Length353 cmReference

4WD Length376 cmReference

Low-profile Length360 cmReference

Utility Width187 cmReference

Row-crop Width190 cmReference

4WD Width187 cmReference

Low-profile Width199 cmReference

Utility Ground clearance45 cmReference

Row-crop Ground clearance50 cmReference

4WD Ground clearance47 cmReference

Low-profile Ground clearance27 cmReference

Bar rear axle69 mmReference

Utility Shipping2698 kgReference

Row-crop Shipping2812 kgReference

4WD Shipping3224 kgReference

Low-profile Shipping2653 kgReference

Ballasted4499 kgReference

Utility Steering wheel160 cmReference

Row-crop Steering wheel165 cmReference

4WD Steering wheel160 cmReference

Low-profile Steering wheel143 cmReference

784 Serial Numbers

Location:Serial number plate on the right side of the frame, above the front axle.Reference

1978501Reference

19791442Reference

19802752Reference

19815906Reference

19828001Reference

19838219Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Battery volts12Reference

Test results

Diesel 8-speed 2WDMay 24 - June 2, 1979Link: Nebraska Tractor Test 1315 fileReference

PTO performanceReference

Fuel use16.3 l/hourReference

Fuel use14.8 l/hourReference

Drawbar performanceReference

Speeds

With 15.8-38 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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