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Caterpillar 135H Motor Grader

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Caterpillar Motor Graders
Equipment Specifications - RitchieSpecs
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Caterpillar 135H
Caterpillar 135H
Caterpillar 135H blade
Caterpillar 135H interior
The Caterpillar 135H motor grader was introduced in 1995 in the USA. Production began in Brazil a year later.

[edit] Features

The 135H has a 3116 turbocharged engine producing 135 or 144 flywheel horsepower (FWHP). It has an eight speeds forward, six reverse direct drive powershift transmission with electronic control. It comes standard with a PPPC hydraulic system, as well as modified blade positioning and operator station.

The 135H was manufactured in the USA, with a 3YK or 7MM serial number prefix; and in Brazil, with an 8WN prefix.

The 7MM and 8WN have engine power management.

The 3YK has optional variable horsepower and comes standard with integrated engine compartment doors and an optional contour seat.

[edit] Modifications

In 1996 Caterpillar added extended life coolant and dual fuel filters, beginning with 3YK00155 and 7MM00230.

In 1997 Cat added radiator cleanout access covers and new battery boxes, and modified the fuel sending unit, beginning with 8WN00290, 3YK00204, and 7MM00239. At the same time the 3YK unit received a certificate of emissions compliance. A circle drive slip clutch, nylon plastic drawbar/circle wear inserts, scheduled oil sampling ports, and an optional 12-volt power port were added, beginning with 8WN00350, 3YK00267, and 7MM00249.

In 1999 the differential spider gear bearing material changed from aluminum bronze to manganese bronze to decrease the material transfer from the bearing to the spider leg, beginning with 8WN00572 and 3YK00386.

In 2001 the fan spider was modified to improve service life, beginning with 8WN00638 and 3YK00442.

Caterpillar introduced a new unit in Brazil, with a BDJ prefix, in 2001.

In 2003 Caterpillar introduced a new unit in the USA, with an AMX prefix, and in Brazil, with a CBC prefix.

The new American and Brazilian 120H unit has a 3126B electronic engine with air-to-air aftercooling (ATAAC) producing 135 FWHP. It comes standard with a serpetine belt with automatic tensioner, a fuel water separator, enhanced vehicle styling, 500-hour oil change interval, modified remote engine oil drain, on-demand hydraulically driven “pull” fan, inside mounted air dryer, ground level fueling, left hand side centralized service access, sample ports on all systems, ground level coolant check, automotive-style fuses, electronic throttle, increased cab air flow to the windshield, electronic transmission directional solenoids, and LED stop/turn lights. They are also available with two-level variable horsepower.

In 2003 steering accumulators were added, beginning with CBC00202.

In 2004 a new final drive was added and preload was adjusted, beginning with 8WN00813, BDJ00117, and 3YK00603.

In 2005 and 2006 Cat modified the circle pinion, beginning with 8WN00893, CBC00271, and AMX00192. At the same time a larger transmission filter was added to the CBC unit.

Based on data from the sales database of Ritchie Bros. Auctioneers, it is estimated that more than 1,200 Caterpillar 135H motor graders have been produced.

Highest Serial #
Brazil
8WN 00835
BDJ N/A
CBC N/A
USA
3YK 00434
7MM N/A
AMX N/A
Total = 1,269