International Harvester

A-766

Farm tractor · 1972–1978 · 98 hp

The International Harvester A-766 is a farm tractor manufactured from 1972 to 1978. It features a International Harvester D-310 engine, and power steering. The transmission is a sliding gear type with 8 forward and 4 reverse.

Engine

EngineInternational Harvester D-310
Fuel Typediesel
Cylinders6
Coolingliquid-cooled inline
Displacement310 ci (5.1 L)
Bore3.88 in (98 mm)
Stroke4.38 in (111 mm)
Compression Ratio16
Power Gross98 hp (73.1 kW)
Power Rated98 hp (73.1 kW)
Power PTO80 hp (59.7 kW)
Torque Peak248 lb-ft (336.3 Nm)
Torque Peak1,600 RPM
Air Cleanerdual stage dry
Starter Volts12
Starter Typeelectric
ManufacturerInternational Harvester
Rated2,300 RPM

Transmission

Transmission Typesliding gear
Gears8 forward and 4 reverse
Clutchdry disc
Available Options8-speed sliding gear, 16-speed two-speed power shift

Hydraulics

Typeopen center
Pump Flow12 gpm (45.4 lpm)

PTO

Rear Typeindependent

Hitch

Rear TypeII

Dimensions

Length155.8 in (395 cm)
Width91 in (231 cm)
Height84.7 in (215 cm)
Wheelbase104.8 in (266 cm)
Front Tread60 in (152 cm)
Rear Tread56 in (142 cm)

Weight

Operating10,300 lbs (4,672 kg)
Ballasted11,880 lbs (5,388 kg)

Tires & Tracks

Front Ag9.5L-15
Rear Ag18.4-34

Fuel

Capacity37 gal (140 L)

Steering

Typepower

Cab

Caboptional

Compatible Implements

ModelTypeWidthMin HP
Land Pride RCF2696Rotary Cutters96"40 hp
BEFCO RMD-372Rotary Cutters72"40 hp
Land Pride RCF2084Rotary Cutters84"45 hp
Land Pride RCR1884Rotary Cutters84"45 hp
Bush Hog BH310 variant 2Rotary Cutters72"45 hp
Land Pride RCF3696 - 3PTRotary Cutters96"50 hp
Land Pride RCFM3696 - 3PTRotary Cutters96"50 hp
Land Pride RCR2596 - 3 PTRotary Cutters96"50 hp
Bush Hog BH210-3 variant 3Rotary Cutters84"50 hp
Land Pride RCF3096 - 3PTRotary Cutters96"50 hp
BEFCO RHD-472Rotary Cutters72"50 hp
Bush Hog BH310 variant 3Rotary Cutters84"55 hp
BEFCO RHD-484Rotary Cutters84"60 hp
Bush Hog BH410 variant 1Rotary Cutters72"60 hp
Land Pride RCF3610 - 3PTRotary Cutters120"60 hp
Land Pride RCFM3610 - 3PTRotary Cutters120"60 hp
Land Pride RCF2784 - 3PTRotary Cutters84"60 hp
Land Pride RCF3010 - 3PTRotary Cutters120"60 hp
Land Pride RCR2510 - 3 PTRotary Cutters120"60 hp
Land Pride RCF3672Rotary Cutters72"60 hp
Land Pride RCFM3010 - 3PTRotary Cutters120"60 hp
Land Pride RCF3684 - 3PTRotary Cutters84"70 hp
Bush Hog BH410 variant 2Rotary Cutters84"70 hp
Land Pride RCPM2760Rotary Cutters60"75 hp
Land Pride RCP2760Rotary Cutters60"75 hp
Land Pride DBM2660Rotary Cutters60"75 hp
Land Pride DB2660Rotary Cutters60"75 hp

Checked: 3-point hitch category, PTO horsepower. Not checked: PTO speed (540/1000), hydraulic flow, 3-point lift capacity, rear remotes, ballast.

These implements meet this tractor's hitch and PTO-HP requirements — this is not a full compatibility guarantee. Confirm the remaining specs with your dealer before purchasing.