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The Cat 938M Aggregate Handler sets a new standard for productivity, fuel efficiency and comfort. A high torque, low speed C7.1 ACERT engine works in concert with an intelligent hystat power train to deliver fuel efficiency as standard. The optimized Z-bar loader linkage combined with long wear life Performance Series buckets delivers improved payloads and bucket longevity. Extremely low sound levels, large spacious cab and intuitive controls keep you working comfortably all day and even all night! Experience the new industry benchmark.

Cat Specs


Maximum Gross Power
188 HP
4 in
5 in
Note (1)
* Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology.
427 in³
Note (2)
Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the engine is equipped with alternator, air cleaner, emission compon
Note (3)
No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems.
Note (4)
Spark arrester performance as standard – Meets the performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test).
Engine Model
Cat® C7.1 ACERT™
Engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.


Operating Weight
36075 lb


Bucket Capacities
2.9-3.2 m3 (3.8-4.2 yd3)

Service Refill Capacities

Cooling System
8.5 gal (US)
Fuel Tank
51.5 gal (US)
Diesel Exhaust Fluid (DEF) Tank
5 gal (US)
Hydraulic System - Including Tank
44.9 gal (US)
Engine Crankcase
5.3 gal (US)
Hydraulic Tank
23.8 gal (US)


ISO 3471: 2008, FOPS: ISO 3449: 2005 LEVEL II
Note (1)
* Measurements were conducted at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurements w
Note (2)
The Blue Angel environmental label is an optional attachment for Europe only.


* Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the secondary display when equipped. Factory default is 7 km/h (4.4 mph).

Loader Hydraulic System

Maximum Working Pressure - Implement Pump
4061 psi
Relief Pressure - Tilt Cylinder
4351 psi
Maximum Flow - Implement Pump
50 gal/min
Relief Pressure - Tilt Cylinder - 3rd Function Relief Pressure
4351 psi

Power Train

Brakes - Parking
Spring applied hydraulically released
Brakes - Service
Outboard wet disc


Maximum Flow - Steering Pump
34 gal/min
Maximum Working Pressure - Steering Pump
3500 psi