Overview
The McCormick Intl X7.660 is a row-crop tractor produced from 2013 to the present, powered by a 6.7L BetaPower 6-cylinder diesel engine. It features a Pro Drive four-speed power shift transmission with up to 40 forward gears and a standard air-conditioned cab. The machine is configured with a 20,500-lb rear lift capacity and a closed-center hydraulic system delivering 32.5 gpm.
Ideal Applications
Engine and Power Output:
The BetaPower 6.7L 24-valve engine is rated at 151 hp at 2200 RPM and produces 466.1 lb-ft of torque at 1500 RPM using a high-pressure common rail fuel system.
Hydraulic and Hitch Capacity:
Equipped with a Category III/IIIN rear hitch and lower link draft sensing, the tractor provides a 20,500-lb rear lift capacity supported by a 32.5 gpm pump flow.
Transmission and PTO Configuration:
The drivetrain includes a four-speed power shift transmission with 24 or 40 gear options and an independent rear PTO featuring 540/540E/1000/1000E speed settings.
Production
| Description | Row-Crop tractor |
|---|---|
| Manufacturer | McCormick Intl (a part of Argo) |
Engine
| Engine type | BetaPower 6.7L 6-cyl diesel |
|---|---|
| Exhaust fluid (DEF) | 10 gal (37.9 L) |
| Fuel tank | 84.5 gal (319.8 L) |
| Bore/Stroke | 4.094x5.197 inches (104 x 132 mm) |
| Compression | 17.1:1 |
| Description | BetaPower / turbocharged air-to-air intercooled diesel / 6-cylinder 24-valve / liquid-cooled |
| Displacement | 410.6 ci (6.7 L) |
| Emission control | selective catalytic reduction (SCR) |
| Emissions | Interim Tier 4 |
| Fuel system | electronic high-pressure common rail |
| Maximum Power | 165 hp (123.0 kW) |
| Power | 151 hp (112.6 kW) |
| Rated RPM | 2200 |
| Starter | electric |
| Starter volts | 12 |
| Torque | 466.1 lb-ft (632.0 Nm) |
| Torque RPM | 1500 |
Transmission
| Clutch | wet discs / wet discs |
|---|---|
| Gears | 24 forward and reverse / 40 forward and reverse |
| Transmission | Pro Drive / Pro Drive Creeper |
| Type | four-speed power shift |
| Transmission type | 24-speed four-speed power shift / 40-speed |
| Transmission type | 24-speed four-speed power shift / 40-speed |
Mechanical
| Cab | Cab standard with air-conditioning. Optional electro-hydraulic cab suspension. |
|---|---|
| Description | Wet disc brakes |
| Differential lock | electro-hydraulic front and rear |
| Drive type | Four-wheel drive |
| Steering | hydrostatic power |
| Trailer brakes | hydraulic (optional) |
Hydraulics
| Pump flow | 32.5 gpm (123.0 lpm) |
|---|---|
| Steering flow | 11.6 gpm (43.9 lpm) |
| Type | closed center |
| Valves | 3 to 6 |
Hitch
| Control | lower link draft sensing |
|---|---|
| Front Hitch | optional |
| Front lift | 7716 lbs (3499 kg) |
| Rear lift | 20500 lbs (9298 kg) |
| Rear Type | III/IIIN |
PTO
| Clutch | electro-hydraulic wet discs |
|---|---|
| Front PTO | independent (optional) |
| Rear PTO | independent |
| Rear PTO Type | 540/540E/1000/1000E (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Description | Flange rear axle / Bar rear axle (optional) |
|---|---|
| Front axle | 4WD / 4WD hydraulic suspension |
| Ground clearance | 21.7 inches (55 cm) |
| Height (cab) | 115 inches (292 cm) |
| Length | 207.1 inches (526 cm) |
| Weight | 14440 lbs (6549 kg) |
| Wheelbase | 108.3 inches (275 cm) |
| Width | 95.7 inches (243 cm) |
| Front tire | 540/65R28 |
| Rear tire | 650/65R38 |
| Weight | 14440 lbs (6549 kg) |
| Wheelbase | 108.3 inches (275 cm) |
| Standard tires (ag) | Front: 540/65R28. Rear: 650/65R38 |