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Contractors World International Vol 6 No 4

CAT 16M3 Motor


The new Cat 16M3

Motor Grader features

engineering enhance-

ments that boost fuel

economy, increase

structural durability,

simplify maintenance,

add operator conveni-

ence and promote the

safety of both the operator and

those around the machine.

The 16M3 is available in configurations to meet engine

emissions standards worldwide.

It has a 16 foot (4.9 m) moldboard and an average op-

erating weight of 71,454 pounds (32 411 kg). The motor

grader is optimally sized for operations using 150 ton (136

tonne) or smaller trucks.

The 16M3 features a Cat C13 ACERT engine which pro-

vides net power ratings from 290-348 horsepower (216-

259 kW).

The engine is available in three configurations to sat-

isfy global emissions standards: U.S. EPA Tier 4 Final/EU

Stage IV/Japan 2014 (Tier 4 Final); Tier 3/Stage IIIA /Japan

2006 (Tier 3) equivalent; and Tier 2/Stage II/Japan 2001

(Tier 2) equivalent.

A new ECO mode, standard for Tier 2 equivalent and

Tier 4 engines, is designed to improve fuel economy by

optimizing engine speed to 1,900 rpm in working gears

when possible with no compromise in performance.

This operator-selected feature delivers fuel savings

estimated at up to 4 to 5 percent, compared with working

in comparable light- to moderate-load applications with

the system deactivated.

An additional engine control system feature provides

consistent power to the ground by continually adjusting

the engine to compensate for power losses to the cooling


Also new for the 16M3 is the “OK-to-Start” system,

which automatically checks the engine coolant, engine oil,

and hydraulic oil levels when the key is turned to the on


Drive train and


The Cat direct-drive, power-

shift transmission, with eight

forward and six reverse gears,

incorporates the Cat Advanced

Productivity Electronic Control

Strategy (APECS) system, de-

signed to smooth gear changes

and promote productivity.

The modular trans-axle

now has a standard automatic

differential lock, which ensures

appropriate locking/

unlocking for opti-

mum traction and

manoeuvring, thus

averting possible damage from ill-timed manual control.

The 16M3 also features nearly 15 percent greater

dynamic braking torque at the rear tandems, achieved

by enlarging both the brake disc diameter and the piston


A new manual brake wear indicator simplifies disc

wear measurement, eliminating having to remove the

brake pads to check wear.

The front frame, hitch area and rear frame have been

specifically designed to ensure long-term durability with

the added weight and power of the new model.

The centre-shift section is now a heavy-duty steel cast-

ing designed to effectively distribute stress and enhance

durability in this highly loaded area of the mainframe.

In the cab

The new full colour touch-screen display allows the opera-

tor to monitor machine performance, set parameters to

suit operating situations, and access service information

for initial troubleshooting.

The new display also shows Cat Grade Control Cross

Slope readings and DEF (diesel exhaust fluid) level.

In addition, a new keypad with lighted, one-touch but-

tons replaces most of the three-position switches used

previously, further easing the operator's job.

Advanced Control joysticks (a retrofit option) enhance

control of the Cat Grade Control Cross Slope or AccuGrade

systems and also have provision for auxiliary-hydraulic



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