farmall 1066
![]() | 66 SeriesRow-Crop tractor | 66 Series | Row-Crop tractor |
|---|---|---|---|
66 Series | |||
Row-Crop tractor | |||
66 Series | |
|---|---|
Row-Crop tractor |
Series map: Hydro 10010661468115.7hp*140.0hp*147.8hp**Estimated engine power for comparison only.
Note: the Farmall model 1066 is the same as the International Harvester 1066. The following data is from the 1066 listing. |
|---|
Production | |
|---|---|
Manufacturer | Farmall (a part of International Harvester) |
Row-Crop tractor | |
Built in Rock Island, Illinois, USA | |
Total built | 54,947 |
Original price was $21,100 in 1976 | |
Farmall 1066 Engine | |
|---|---|
International Harvester 6.8L 6-cyl diesel | |
Fuel tank | 42 gal
159.0 L |
Engine details ... | |
Farmall 1066 Transmissions | |
|---|---|
8-speed gear | |
16-speed two-speed power shift | |
hydrostatic | |
Transmission details ... |
Farmall 1066 Power | |
|---|---|
Drawbar (claimed) | 108 hp
80.5 kW |
PTO (claimed) | 126 hp
94.0 kW |
Drawbar (tested) | 105.95 hp
79.0 kW |
PTO (tested) | 125.68 hp
93.7 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Hydraulic dry disc brakes | |
Open operator station. Two-post fixed ROPS available. Cab available with optional air-conditioning. |
Photos | |
|---|---|
![]() | |
Farmall 1066 photos... |
Hydraulics | |
|---|---|
Type | open center |
Pump flow | 12 gpm
45.4 lpm |
Total flow | 21 gpm
79.5 lpm |
Steering flow | 9 gpm
34.1 lpm |
Tractor hitch | |
|---|---|
Rear Type | III/II |
Rear lift (at 24"/610mm) | 5600 lbs
2540 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 105 inches
266 cm |
Weight | 12148 to 13345 pounds |
Front tire | 11L-15 |
Rear tire | 18.4-38 |
Full dimensions and tires ... | |
1066 Serial Number Location | |
|---|---|
![]() | |
Serial number plate on the left side of the tractor's clutch housing. |
1066 Serial Numbers | |
|---|---|
1971 | 7101 |
1972 | 12677 |
1973 | 24205 |
1974 | 34949 |
1975 | 46855 |
1976 | 56672 |
FAQ: How to read a serial number table. | |
Recommended Products
Advertisement · Featured Tractor-Related Products

Heavy Duty Pistol Grip Grease Gun Kit
🚜 Power Performance: 8000psi Max working pressure guaranteed by iron die cast head and enhanced sealing. 🚜 Ergonomic Design: Pistol grip lets you operate with one hand. Sand blasted grid surface increases friction for safety.

Bright LED Bulbs Cool White compatible
HQRP® 2-Pack BA15S LED Bulbs Replacement; Bulb Type: BA15S Base (Single Contact); Working Voltage:12-24V DC; Lumen: 250-300; Way brighter than regular lights;

Tractor Taillight Lens Amber
"Color and material" This lens adopts amber design, which is not only beautiful and elegant, but also can effectively improve the visibility of driving at night and reduce the glare to other drivers. The amber design can also provide the driver with a wider field of vision, making you feel safer when driving.

John Deere 1:16 Big Farm Tractor Model
Detailed scale model with authentic features, perfect for collectors and enthusiasts
* This page contains affiliate links, purchases may generate revenue for this site


