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News and Events
McCormick CX and MC four-cylinder tractors get higher performance, more fuel efficient engines
FRENCH VERSION COMING
Among first tractors to use innovative Perkins 1104C four-cylinder engines
Four CX models from 60hp to 83hp PTO with XtraShift gearbox option
Three MC models from 74hp to 96hp PTO with four-speed powershift
Improved performance from more favourable power and torque delivery
Cheaper to run - lower fuel and oil consumption, longer service intervals
McCormick CX and MC four-cylinder engined tractors will be among the first to use an innovative diesel power unit that promises improved performance, lower running costs and a more comfortable drive for operators.
The Perkins 1104C four-cylinder engine is one of a new family of power units developed to meet latest exhaust emissions standards and raise performance levels. Earlier this year, McCormick selected the six-cylinder version as the launch engine for the 98hp to 113hp PTO MC Power6 tractors.
Three- and four-cylinder versions are being used in the second-generation McCormick F series specialist tractors and now the four-cylinder variant will enable the CX and MC models to meet European Stage 2 / North American Tier II exhaust emissions.
Of more significance to McCormick users, however, are the improvements in performance, running costs and driver comfort that the new engine and its innovative design features bring.
Although the larger volume 4.4-litre engine has been tuned to deliver the same power outputs at rated speed as its predecessor, lower down the rev range the 1104C delivers more power and torque to give the tractors livelier performance under load, with ‘constant’ power delivery between 2200 and 2000rpm.
Operators will also appreciate the lower running costs that result from cutting fuel and oil consumption. A revised combustion chamber and cross-flow cylinder head design help improve fuel economy, while measures to reduce oil consumption plus 500-hour service intervals dramatically cut the amount of lubricant and number of filters consumed over the life of the engine.
Engineers also paid great attention to noise quality and output, creating a unique ‘open top’ block design, new timing gears and other design features that make the engine quieter and sound less harsh than before.
In combination with a roomy cab renowned for its noise suppression, the latest McCormick CX and MC tractors provide an exceptionally quiet and comfortable environment for long hours in the driving seat, whether the Deluxe or Low Profile designs are chosen
McCormick CX
The McCormick CX range extends to four models:
Fuel PTO power
Model Engine injection 2000-2200rpm
.
CX75 4cyl mechanical 60hp
CX85 4cyl turbo mechanical 67hp
CX95 4cyl turbo mechanical 74hp
CX105 4cyl turbo mechanical 83hp
CX tractors are available with McCormick’s new XtraShift transmission, which provides three powershift speeds in each gear plus powershuttle. There is no duplication of speeds from one gear to another so drivers have a choice of 24 speeds in forward and reverse, or 36 speeds in both directions when the factory-fitted creep version is fitted.
The original Synchro Shift gearbox, with its synchromesh shuttle, optional two-speed powershift and choice of 8 x 8, 16 x 8 and 24 x 12 gear sets, remains available for operators wanting a traditional transmission design.
Hydraulic services amount to a 60-litre/min open centre gear pump, plus a 30 -litre/min pump for steering and other ancillary circuits, with electronic control of the rear three-point linkage a standard fitment
McCormick MC
There are three four-cylinder engined McCormick MC tractors
Fuel Rated
Model Engine Injection Power
.
MC105 4cyl turbo mechanical 83hp
MC115 4cyl turbo electronic 96hp
Electronic fuel injection on the highest horsepower version in the MC four-cylinder range gives particularly good response to increased draft or pto load.
Both mechanical and electronic versions of the engine are a good match for the McCormick MC’s four-speed powershift transmission that in combination with four ranges provides 16 speeds forward, 12 in reverse or 32 forward, 24 reverse with the creep option added.
In addition to heavier duty front and rear axles, the MC four-cylinder tractors also feature a closed centre hydraulic system with variable output pump delivering oil at up to 109 litre/min in response to pressure and flow demand.
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