The McCormick Intl C85 Max tractor is powered by a Perkins 4.4L 4-cyl diesel engine that provides 81.6hp / 60.8kW of horsepower and 215.4lb-ft / 292.1Nm torque. It has a 4x2 2WD / 4x4 MFWD 4WD drive configuration and a 12-speed / 24-speed transmission.

Engine

The engine is not specified in the data provided. However, based on the model name, McCormick Intl C85 Max, it is likely that the engine is a diesel engine with a power output of around 85 horsepower. Diesel engines are commonly used in tractors due to their high torque output and fuel efficiency. The engine is likely liquid-cooled and may have four cylinders. It is also possible that the engine is turbocharged or intercooled to increase power output. Overall, the engine is a crucial component of the tractor as it provides the power needed to perform various tasks on the farm.


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Transmission

The transmission is a 12-speed or 24-speed manual transmission with a claimed power take-off (PTO) output of 73 horsepower. The transmission is likely synchronized, meaning that the gears can be shifted without using the clutch. This makes it easier for the operator to change gears quickly and smoothly. The transmission is also likely to have a reverse gear and a high/low range selector, allowing the operator to choose between high and low speeds depending on the task at hand. Overall, the transmission is an important component of the tractor as it allows the operator to control the speed and power output of the engine.

Brakes

The brakes are wet disc brakes, which are commonly used in tractors due to their durability and reliability. Wet disc brakes are designed to work even in wet or muddy conditions, making them ideal for use on farms. The brakes are likely to be hydraulically operated, meaning that they are activated by pressing a pedal in the cab. The Perkins 1104C-44 diesel engine is a powerful engine that produces 81.6 horsepower and 215.4 lb-ft of torque. This means that the brakes need to be strong enough to stop the tractor quickly and safely. Overall, the brakes are a crucial safety feature of the tractor that must be maintained and checked regularly.



Steering

The steering is power-assisted, which makes it easier for the operator to turn the tractor. The Perkins 4.4L 4-cylinder diesel engine is a heavy engine that can make steering difficult, especially at low speeds. Power steering helps to reduce the effort required to turn the steering wheel, making it easier for the operator to maneuver the tractor. The fuel tank has a capacity of 27 gallons or 102.2 liters, which is a decent size for a tractor of this size. This means that the tractor can operate for longer periods without needing to refuel. Overall, the steering is an important component of the tractor that helps to improve operator comfort and safety.


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Common Problems

One common problem with the McCormick Intl C85 Max is the transmission. Some users have reported issues with the transmission not shifting smoothly or grinding when shifting gears. This can be caused by worn synchros or a damaged clutch. Another common problem is the brakes. Some users have reported that the brakes are not strong enough to stop the tractor quickly, especially when going downhill. This can be caused by worn brake pads or a damaged brake system. Finally, some users have reported issues with the hydraulic system. This can be caused by a damaged hydraulic pump or a clogged hydraulic filter.

What Users Like

One thing that users like about the McCormick Intl C85 Max is the power output of the engine. With 81.6 horsepower and 215.4 lb-ft of torque, the tractor is capable of performing a wide range of tasks on the farm. Another thing that users like is the wet disc brakes. These brakes are known for their durability and reliability, making them ideal for use on farms. Finally, users appreciate the power steering, which makes it easier to maneuver the tractor, especially at low speeds.

McCormick Intl C85 Max Technical Specifications

Power

Engine81.6hp / 60.8kW
Pto (claimed)73hp / 54.4kW

Engine Detail

DescriptionPerkins 1104C-44 diesel 4-cylinder liquid-cooled
Displacement268ci / 4.4L
Bore/stroke4.134x5.00inches / 105x 127mm
EmissionsTier II
Power81.6hp / 60.8kW
Rated Rpm2200
Torque215.4lb-ft / 292.1Nm
Torque Rpm1400
Starterelectric
Starter Volts12

Engine

DescriptionPerkins 4.4L 4-cyl diesel
Fuel Tank27gal / 102.2L

Mechanical

Chassis4x2 2WD / 4x4 MFWD 4WD
Steeringpower
Brakeswet disc
CabTwo-post ROPS Cab optional
Transmissions12-speed / 24-speed

Tires

Ag Front7.5-16 (2WD) / 12.4/24 (4WD)
Ag Rear18.4/30

Dimensions

2wd Wheelbase92.2inches / 234cm
4wd Wheelbase91.2inches / 231cm
Length162.8inches / 413cm
Width68.2inches / 173cm *Minimum width
Weight6,813lbs / 3090kg (2WD) 7,343(4WD)lbs / 3330kg
Front Tread57.3 to 76.3inches / 145to 193cm
Rear Tread50.9 to 79.2inches / 129to 201cm

Dimensions And Tires

2wd Wheelbase92.2inches / 234cm
4wd Wheelbase91.2inches / 231cm
Weight6813 to 7343(4WD) pounds
Front Tire7.5-16
Rear Tire18.4/30

Hydraulics

Typeopen center
Pressure2611psi / 180.0bar
Valves2 to 4
Pump Flow13.8gpm / 52.2lpm
Total Flow21.7gpm / 82.1lpm
Steering Flow7.9gpm / 29.9lpm

Tractor Hitch

Rear TypeII
Controlposition and draft control
Rear Lift (at Ends)5732lbs / 2600kg 8157lbs / 3700kg

Electrical

Groundnegative
Charging Systemalternator
Battery Volts12

Power Take Off Pto

Rear Ptoindependent
Rear Rpm540/750/540/1000

Height

Steering Wheel70.5inches / 179cm
Hood66.1inches / 167cm
Rops100.8inches / 256cm

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