The McCormick Intl X7.660 tractor is powered by a BetaPower 6.7L 6-cyl diesel engine that provides 151hp / 112.6kW of horsepower and 466.1 lb-ft /632.0 Nm of torque. It has a 4x4 MFWD 4WD drive configuration and a 24-speed four-speed power shift 40-speed transmission.
The engine is a BetaPower turbocharged air-to-air intercooled diesel 6-cylinder 24-valve liquid-cooled with a displacement of 410.6ci / 6.7L and a bore/stroke of 4.094x5.197inches / 104x 132 mm. It has a compression ratio of 17.1:1 and is rated at 151hp / 112.6kW with a maximum power of 165hp / 123.0kW/175hp / 130.5kW (Power Plus). The fuel system is electronic high-pressure common rail and it has selective catalytic reduction (SCR) for emission control. The engine has a torque of 466.1 lb-ft /632.0 Nm at 1500 rpm and a starter voltage of 12 volts.
The transmission is a 24-speed four-speed power shift 40-speed with an engine power of 151hp / 112.6kW. It is electronically controlled and has a hydraulic clutch. The transmission has a forward/reverse shuttle and a creeper option. It also has a power shuttle and a power take-off (PTO) with a speed of 540/540E/1000/1000E rpm. The transmission has a maximum speed of 31 mph / 50 km/h.
The brakes are wet disc and are electro-hydraulically actuated. The tractor has both front and rear differential lock and trailer brakes are optional. The engine brake is standard and the parking brake is a hand-operated lever. The tractor also has a hydraulic braking system with a capacity of 15.9 gal / 60.2 L.
The steering is hydrostatic power and has a turning radius of 13.1 ft / 4.0 m. The tractor has a BetaPower 6.7L 6-cylinder diesel engine with a fuel tank capacity of 84.5 gal / 319.8 L. The exhaust fluid (DEF) tank has a capacity of 10 gal / 37.9 L. The tractor has a suspended front axle and a suspended cab for a comfortable ride.
Users have reported issues with the transmission slipping and difficulty shifting gears. Some users have also reported problems with the hydraulic system, including leaks and low pressure. Another common issue is with the electrical system, specifically with the alternator and battery. Some users have also reported problems with the fuel system, including clogged filters and injector issues. Finally, some users have reported issues with the cab suspension system, including excessive bouncing and noise.
Users appreciate the power and performance of the McCormick Intl X7.660 tractor, particularly its engine and transmission. They also like the comfortable cab and suspension system, which provides a smooth ride even on rough terrain. The tractor's fuel efficiency is also a plus, as is its versatility for a variety of tasks. Finally, users appreciate the tractor's reliability and durability, which make it a good investment for long-term use.
Power | |
|---|---|
| Engine | 151hp / 112.6kW |
Engine Detail | |
| Description | BetaPower turbocharged air-to-air intercooled diesel 6-cylinder 24-valve liquid-cooled |
| Displacement | 410.6ci / 6.7L |
| Bore/stroke | 4.094x5.197inches / 104x 132 mm |
| Emissions | Interim Tier 4 |
| Emission Control | selective catalytic reduction (SCR) |
| Power | 151hp / 112.6kW |
| Maximum Power | 165hp / 123.0kW/175hp / 130.5kW (Power Plus) |
| Fuel System | electronic high-pressure common rail |
| Compression | 17.1:1 |
| Rated Rpm | 2200 |
| Torque | 466.1 lb-ft /632.0 Nm |
| Torque Rpm | 1500 |
| Starter | electric |
| Starter Volts | 12 |
Engine | |
| Description | BetaPower 6.7L 6-cyl diesel |
| Fuel Tank | 84.5gal / 319.8L |
| Exhaust Fluid (def) | 10gal / 37.9L |
Mechanical | |
| Chassis | 4x4 MFWD 4WD |
| Differential Lock | electro-hydraulic front and rear |
| Steering | hydrostatic power |
| Brakes | wet disc |
| Trailer Brakes | hydraulic (optional) pneumatic (optional) |
| Cab | Cab standard with air-conditioning. Optional electro-hydraulic cab suspension. |
| Transmissions | 24-speed four-speed power shift 40-speed |
Tires | |
| Standard Tires (ag) | Front: 540/65R28. Rear: 650/65R38 |
Dimensions | |
| Wheelbase | 108.3inches / 275cm |
| Length | 207.1inches / 526cm |
| Width | 95.7inches / 243cm |
| Height (cab) | 115inches / 292cm |
| Weight | 14440lbs / 6549kg |
| Ground Clearance | 21.7inches / 55cm |
| Front Axle | 4WD hydraulic suspension |
| Rear Axle | Bar |
Dimensions And Tires | |
| Wheelbase | 108.3inches / 275cm |
| Weight | 14440lbs / 6549kg |
| Front Tire | 540/65R28 |
| Rear Tire | 650/65R38 |
Hydraulics | |
| Type | closed center |
| Valves | 3 to 6 |
| Pump Flow | 32.5gpm / 123.0lpm |
| Steering Flow | 11.6gpm / 43.9lpm |
Tractor Hitch | |
| Rear Type | III/IIIN |
| Control | lower link draft sensing |
| Rear Lift | 20500lbs / 9298kg |
| Front Hitch | optional |
| Front Lift | 7716lbs / 3499kg |
Electrical | |
| Ground | negative |
| Battery Volts | 12 |
Power Take Off Pto | |
| Rear Pto | independent |
| Clutch | electro-hydraulic wet discs |
| Rear Rpm | 540/540E / 1000/1000E (1.375) |
| Front Pto | independent (optional) |