Same brandRow Crop tractorsSpec sheet
McCormick Intl X7.660
The McCormick Intl X7.660 is a powerful row crop tractor built for serious farm work. It has a 4-wheel drive system and a strong 6-cylinder diesel engine. The engine puts out 151 horsepower, which is above average for tractors. It has 24 gears going forward and backward, giving farmers lots of options for different tasks. This tractor is big and sturdy, weighing 14,440 pounds. It's about 17 feet long, 8 feet wide, and 9.5 feet tall. The X7.660 has a comfortable cab for the driver and uses hydrostatic power steering to make it easy to control. It has a Category 3 hitch on the back for attaching big farm tools. The tractor also has some special features like a high-tech fuel system and a system to reduce harmful emissions. With its mix of power and features, the McCormick X7.660 is a solid choice for farmers who need a reliable tractor for their fields.
ManufacturerMcCormick IntlPower151 hp(112.6 kW)Class150–300 HP tractors →Engine6-cylinderTransmissionFour-speed power shift
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Key specifications
- Category
- Row Crop
- Engine power
- 151hp
- Operating weight
- 14,440 lb
- Transmission
- Four-speed power shift
Category comparison
X7.660 compared with its category
vs. Row Crop medianDistribution
Engine Power (hp)
All recorded Row Crop tractors
151 hp · 58th
This model
12
Median 138 hp
283
This modelRow Crop tractorsMediann = 1,206
The X7.660 ranks at the 58th percentile for engine power among recorded row crop tractors.
Overview
About the McCormick Intl X7.660
The McCormick Intl X7.660 is a powerful row crop tractor built for serious farm work. It has a 4-wheel drive system and a strong 6-cylinder diesel engine. The engine puts out 151 horsepower, which is above average for tractors. It has 24 gears going forward and backward, giving farmers lots of options for different tasks. This tractor is big and sturdy, weighing 14,440 pounds. It's about 17 feet long, 8 feet wide, and 9.5 feet tall. The X7.660 has a comfortable cab for the driver and uses hydrostatic power steering to make it easy to control. It has a Category 3 hitch on the back for attaching big farm tools. The tractor also has some special features like a high-tech fuel system and a system to reduce harmful emissions. With its mix of power and features, the McCormick X7.660 is a solid choice for farmers who need a reliable tractor for their fields.
Full specifications
Recorded specifications
General
| Manufacturer | McCormick Intl |
|---|---|
| Model | X7.660 |
| Category | Row Crop tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 14,440lb(6,550 kg) |
Engine
| Make | McCormick Intl |
|---|---|
| Model | BetaPower |
| Power | 151hp(112.6 kW) |
| Cylinders | 6 |
| Displacement | 410.6ci(6.73 L) |
| Bore | 4.09in(104 mm) |
| Stroke | 5.2in(132 mm) |
Transmission
| Type | Four-speed power shift |
|---|---|
| Forward gears | 24 |
| Reverse gears | 24 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Hydrostatic power |
| Cab | Cab |
Hydraulics
| Type | Closed center |
|---|
Dimensions
| Length | 207.1in(5,260 mm) |
|---|---|
| Width | 95.7in(2,431 mm) |
| Height | 115in(2,921 mm) |
| Operating weight | 14,440lb(6,550 kg) |
Closest alternatives
X7.660 compared with the nearest models by horsepower
The closest row crop models to the McCormick Intl X7.660 by rated horsepower are the Allis Chalmers 7040 and the Allis Chalmers 220. The Allis Chalmers 7040 matches it on rated power and weighs 2,740 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. The Allis Chalmers 220 matches it on rated power and weighs 2,280 lb less, carrying 81 lb per horsepower against 96 lb. Of the 3 models, the X7.660 has the highest weight per horsepower at 96 lb per hp.
| Spec | McCormick Intl X7.660 | Allis Chalmers 7040 | Allis Chalmers 220 |
|---|---|---|---|
| Engine power | 151 hp112.6 kW | 151 hp112.6 kW | 151 hp112.6 kW |
| Operating weight | 14,440 lb6,550 kg | 11,700 lb5,307 kg | 12,160 lb5,516 kg |
| Weight per hp | 96 lb/hp58 kg/kW | 77 lb/hp47 kg/kW | 81 lb/hp49 kg/kW |
| Displacement | 410.6 ci6.73 L | 426 ci6.98 L | 426 ci6.98 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | Four-speed power shift | Partial Power Shift | Sliding gear |
| Drive | 4WD | 2WD | 2WD |
| Years built | - | 1975-1977 | 1970-1973 |
Calculators
Calculators for the X7.660
PTO power
About 125 to 136 PTO hp
Estimated from the 151 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 151 hp tractor can run
Maximum size is about a 18 ft rotary cutter or a 15.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
111 lb per PTO hp as listed
Heavy draft work calls for 120 to 135 lb/hp. The calculator gives the ballast to add.
Units
151 hp is 112.6 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
X7.660 vs. Row Crop median
McCormick Intl X7.660 compared with other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 151 hp | 138 hp | +9% | 58th |
| Engine Displacement | 411 ci | 391 ci | +5% | 60th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 24 | 16 | +50% | 81st |
| Operating Weight | 14,440 lb | 12,307 lb | +17% | 64th |
| Length | 207 in | 180 in | +15% | 82nd |
| Width | 95.7 in | 91.2 in | +5% | 65th |
| Height | 115 in | 114 in | +1% | 56th |
Medians and percentiles are calculated from the row crop tractors in the database that have a recorded value for each specification (sample size 806–1,417 models).
Same manufacturer
Other McCormick Intl models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
How powerful is the McCormick Intl X7.660?
The McCormick Intl X7.660 has an engine power output of 151 hp. It is powered by a 6-cylinder engine displacing 410.6 ci.
What type of transmission does the McCormick Intl X7.660 have?
The McCormick Intl X7.660 uses a Four-speed power shift transmission offering 24 forward gears.
What type of hydraulic system does the McCormick Intl X7.660 use?
Hydraulics on the McCormick Intl X7.660 are Closed center.
What hitch category is the McCormick Intl X7.660?
The McCormick Intl X7.660 uses a Category Category 3 hitch.
What is the working weight of the McCormick Intl X7.660?
The operating weight of the McCormick Intl X7.660 is approximately 14,440 lb.
What routine service does the McCormick Intl X7.660 need?
Regular maintenance for the McCormick Intl X7.660 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.