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 torque. It has a 4x4 MFWD 4WD drive configuration and a 24-speed four-speed power shift 40-speed transmission.

Engine

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.


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Transmission

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.

Brakes

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.



Steering

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.


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Common Problems

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.

What Users Like

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.

McCormick Intl X7.660 Technical Specifications

Power

Engine151hp / 112.6kW

Engine Detail

DescriptionBetaPower turbocharged air-to-air intercooled diesel 6-cylinder 24-valve liquid-cooled
Displacement410.6ci / 6.7L
Bore/stroke4.094x5.197inches / 104x 132 mm
EmissionsInterim Tier 4
Emission Controlselective catalytic reduction (SCR)
Power151hp / 112.6kW
Maximum Power165hp / 123.0kW/175hp / 130.5kW (Power Plus)
Fuel Systemelectronic high-pressure common rail
Compression17.1:1
Rated Rpm2200
Torque466.1 lb-ft /632.0 Nm
Torque Rpm1500
Starterelectric
Starter Volts12

Engine

DescriptionBetaPower 6.7L 6-cyl diesel
Fuel Tank84.5gal / 319.8L
Exhaust Fluid (def)10gal / 37.9L

Mechanical

Chassis4x4 MFWD 4WD
Differential Lockelectro-hydraulic front and rear
Steeringhydrostatic power
Brakeswet disc
Trailer Brakeshydraulic (optional) pneumatic (optional)
CabCab standard with air-conditioning. Optional electro-hydraulic cab suspension.
Transmissions24-speed four-speed power shift 40-speed

Tires

Standard Tires (ag)Front: 540/65R28. Rear: 650/65R38

Dimensions

Wheelbase108.3inches / 275cm
Length207.1inches / 526cm
Width95.7inches / 243cm
Height (cab)115inches / 292cm
Weight14440lbs / 6549kg
Ground Clearance21.7inches / 55cm
Front Axle4WD hydraulic suspension
Rear AxleBar

Dimensions And Tires

Wheelbase108.3inches / 275cm
Weight14440lbs / 6549kg
Front Tire540/65R28
Rear Tire650/65R38

Hydraulics

Typeclosed center
Valves3 to 6
Pump Flow32.5gpm / 123.0lpm
Steering Flow11.6gpm / 43.9lpm

Tractor Hitch

Rear TypeIII/IIIN
Controllower link draft sensing
Rear Lift20500lbs / 9298kg
Front Hitchoptional
Front Lift7716lbs / 3499kg

Electrical

Groundnegative
Battery Volts12

Power Take Off Pto

Rear Ptoindependent
Clutchelectro-hydraulic wet discs
Rear Rpm540/540E / 1000/1000E (1.375)
Front Ptoindependent (optional)

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Other McCormick Intl tractors:

McCormick Intl B100 Max, McCormick Intl B105 Max, McCormick Intl B80 Max, McCormick Intl B90 Max, McCormick Intl C100 Max, McCormick Intl C100 Max High Clear, McCormick Intl C105 Max, McCormick Intl C110 Max, McCormick Intl C50, McCormick Intl C60, McCormick Intl C60 Max, McCormick Intl C60L, McCormick Intl C70L, McCormick Intl C75 Max, McCormick Intl C80 Max, McCormick Intl C80L, McCormick Intl C85 Max, McCormick Intl C90 Max, McCormick Intl C95 Max, McCormick Intl CX100, McCormick Intl CX110, McCormick Intl CX50, McCormick Intl CX60, McCormick Intl CX70, McCormick Intl CX80, McCormick Intl CX85, McCormick Intl CX90, McCormick Intl CX95, McCormick Intl F100, McCormick Intl F105, McCormick Intl F110, McCormick Intl F120, McCormick Intl F60, McCormick Intl F70, McCormick Intl F75, McCormick Intl F80, McCormick Intl F85, McCormick Intl F90, McCormick Intl F95, McCormick Intl G125 Max, McCormick Intl G135 Max, McCormick Intl G145 Max, McCormick Intl G165 Max, McCormick Intl G25, McCormick Intl G30R, McCormick Intl GM40, McCormick Intl GM45, McCormick Intl GM50, McCormick Intl GM55, McCormick Intl MB55, McCormick Intl MB65, McCormick Intl MB85, McCormick Intl MC100, McCormick Intl MC105, McCormick Intl MC115, McCormick Intl MC80, McCormick Intl MC90, McCormick Intl MC95, McCormick Intl MTX145, McCormick Intl MTX150, McCormick Intl MTX175, McCormick Intl MTX200, McCormick Intl T100, McCormick Intl T100 Max, McCormick Intl T105, McCormick Intl T110 Max, McCormick Intl T115 Max, McCormick Intl T80, McCormick Intl T80 Max, McCormick Intl T90, McCormick Intl T90 Max, McCormick Intl TTX190, McCormick Intl TTX210, McCormick Intl TTX230, McCormick Intl VF100, McCormick Intl VF70, McCormick Intl VF80, McCormick Intl VF90, McCormick Intl X4.50, McCormick Intl X4.60, McCormick Intl X4.70, McCormick Intl X5.20, McCormick Intl X5.30, McCormick Intl X5.40, McCormick Intl X5.50, McCormick Intl X50.20, McCormick Intl X50.20m, McCormick Intl X50.30, McCormick Intl X50.30m, McCormick Intl X50.40, McCormick Intl X50.40m, McCormick Intl X50.50, McCormick Intl X6.420, McCormick Intl X6.430, McCormick Intl X6.440, McCormick Intl X6.460, McCormick Intl X6.470, McCormick Intl X6.480, McCormick Intl X60.20, McCormick Intl X60.30, McCormick Intl X60.40, McCormick Intl X60.50, McCormick Intl X7.440, McCormick Intl X7.450, McCormick Intl X7.460, McCormick Intl X7.660, McCormick Intl X7.670, McCormick Intl X7.680, McCormick Intl X70.40, McCormick Intl X70.50, McCormick Intl X70.60, McCormick Intl X70.70, McCormick Intl X70.80, McCormick Intl XTX145, McCormick Intl XTX165, McCormick Intl ZTX230, McCormick Intl ZTX260, McCormick Intl ZTX280,