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Engine – Milton CAT 525C User Manual

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Cat C7 Engine. The Cat C7 uses
Caterpillar’s breakthrough ACERT™
Technology to meet exhaust emission
reduction standards. It features efficient
air management, fuel delivery and
electronic control for high productivity
and exceptional service life.

Engine Design. This four-stroke engine
provides efficient fuel combustion.
Precise engineering and thorough
testing assure durability, reliability and
plenty of power. Built-in serviceability
and excellent fuel economy lower
operating costs.

ACERT™ Technology. Caterpillar
optimizes engine performance while
meeting EPA Tier 3 regulations.
ACERT™ Technology reduces
emissions during the combustion
process by using advanced technology
in the air and fuel systems, in conjunction
with integrated electronics. Caterpillar
meets emission regulations at the
combustion source rather than
recycling exhaust gases.

ADEM A4 Control Module. Controls the
fuel injector solenoids to monitor fuel
injection. This system provides automatic
altitude compensation, and it will not
allow the engine to fire until it has oil
pressure, acting as cold start protection
and a form of pre-lube.

Turbocharger. The C7 features a waste
gate turbocharger that provides high
boost over a wider range, improving
engine response and peak torque, as
well as providing outstanding low-end
performance.

Maintenance. The C7 engine reduces
costs and downtime with a 500-hour oil
change interval. Extended service
intervals can save thousands of dollars
over the life of a machine. Machines are
equipped with Caterpillar high efficiency
oil filters, whose revolutionary design
doubles efficiency without increasing
the change interval.

Water Pump. A dual thermostat control
improves coolant flow and heat
dissipation, resulting in better durability.

Electronic Transfer Pump. The electric
fuel transfer pump is self-priming,
eliminating the need for a manual
priming pump.

Reliability Features. The C7 offers
maximum reliability and response
thanks to a range of features:

Improved fuel injectors and pump

Leak-free design

Higher cylinder pressures

Reinforced cylinder block

Leak-Free Design. Improved joints
throughout the engine reduce the chance
of leaks. The oil pan seal, timing
cover and block to flywheel housing
incorporate a leak-free design proven
in thousands of Cat on-highway truck
engines in the field.

4

Engine

The Cat power train delivers top performance, power, and durability.

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