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Engineered for performance. Designed for comfort. Built to last.


Engine Model Cat C15 ACERT™ Cat C15 ACERT™ Less
Rated Power 1900.0 RPM 1900.0 RPM Less
Gross Power – SAE J1995 430.0 hp 321.0 kW Less
Net Power – SAE J1349 397.0 hp 296.0 kW Less
Net Power – ISO 9249 397.0 hp 296.0 kW Less
Net Power – 80/1269/EEC 397.0 hp 296.0 kW Less
Bore 5.4 in 137.0 mm Less
Stroke 6.8 in 171.5 mm Less
Displacement 927.9 in3 15.2 L Less

Operating Specifications

Nominal Payload Capacity 37919.0 lb 17000.0 kg Less
Gross Machine Operating Weight 122522.0 lb 75575.0 kg Less
Nominal Payload Capacity – Tramming 44092.0 lb 20000.0 kg Less
Nominal Payload Capacity – Truck Loading 37919.0 lb 17200.0 kg Less
Static Tipping Load Straight Ahead Lift Arms Horizontal 105306.0 lb 47766.0 kg Less
Static Tipping Load Full Turn Lift Arms Horizontal 89225.0 lb 40472.0 kg Less
Breakout Force (SAE) 60298.0 lb 27346.0 kg Less


Empty 122521.0 lb 55575.0 kg Less
Front Axle 50728.0 lb 23010.0 kg Less
Rear Axle 71793.0 lb 32565.0 kg Less
Loaded 166614.0 lb 75575.0 kg Less
Front Axle 120363.0 lb 54596.0 kg Less
Rear Axle 46251.0 lb 20979.0 kg Less


Forward 1 3.1 mph 5.0 km/h Less
Forward 2 5.5 mph 8.8 km/h Less
Forward 3 9.4 mph 15.2 km/h Less
Forward 4 15.7 mph 25.3 km/h Less
Reverse 1 3.9 mph 6.2 km/h Less
Reverse 2 6.8 mph 10.9 km/h Less
Reverse 3 11.6 mph 18.6 km/h Less
Reverse 4 16.4 mph 26.4 km/h Less

Hydraulic Cycle Time

Raise 9.2 Seconds 9.2 Seconds Less
Dump 3.4 Seconds 3.4 Seconds Less
Lower, Empty, Float Down 3.1 Seconds 3.1 Seconds Less
Total Cycle Time 15.7 Seconds 15.7 Seconds Less

Bucket Capacities

Bucket Capacity - Std. 11.6 yd3 8.9 m3 Less
Bucket Width (Over cutting edge) 132.0 in 3354.0 mm Less
Bucket Capacity - Optional 10.9 yd3 8.3 m3 Less
Bucket Capacity - Optional 11.6 yd3 8.9 m3 Less

Turning Dimensions

Outside Clearance Radius 295.7 in 7511.0 mm Less
Inner Clearance Radius 129.5 in 3289.0 mm Less
Axle Oscillation 8.0 Degrees 8.0 Degrees Less
Articulation Angle 42.5 Degrees 42.5 Degrees Less


Overall Tire Width 114.1 in 2898.0 mm Less
Overall Width 124.2 in 3176.0 mm Less
Tunnel Clearance Width 177.2 in 4500.0 mm Less
Height to Top of ROPS 113.6 in 2886.0 mm Less
Height to Top of Hood 93.3 in 2371.0 mm Less
Overall Height - Bucket Raised 243.3 in 6179.0 mm Less
Bucket Pin Height at Max Lift 178.7 in 4539.0 mm Less
Dump Clearance at Max Lift 243.3 in 6179.0 mm Less
Overall Length (Tramming) 431.1 in 10949.0 mm Less
Ground Clearance 18.3 in 465.0 mm Less
Wheelbase 148.8 in 3780.0 mm Less
Dump Angle at Max Lift 42.0 Degrees 42.0 Degrees Less
Maximum Dump Height 213.7 in 5427.0 mm Less
Centerline of Front Axle to Centerline of Hitch 74.4 in 1890.0 mm Less
Centerline of Back Axle to Centerline of Hitch 74.4 in 1890.0 mm Less
Length - Rear Axle to Bumper 140.6 in 3572.0 mm Less
Overall Length (Digging) 445.0 in 11302.0 mm Less
Digging Depth 2.0 in. 52.0 mm Less
Tunnel Clearance Height 157.5 in. 4000.0 mm Less


Tire Size 35/65R33 VSDL Radials 35/65R33 VSDL Radials Less


Brakes ISO3450,AS2958.1, CAN-CSA424.30-M90 ISO3450,AS2958.1, CAN-CSA424.30-M90 Less
Cab/FOPS ISO3449, SAEJ231, AS2294.3, EN13627 ISO3449, SAEJ231, AS2294.3, EN13627 Less
Cab/ROPS ISO3471, SAEJ1040, AS2294.2, EN13510 ISO3471, SAEJ1040, AS2294.2, EN13510 Less

Power Train - Engine

The Cat® C15 engine with ACERT™ Technology delivers the power and reliability necessary to perform in the most demanding underground mining applications.

Power Train - Transmission

Designed for durability, the Cat power shift transmission delivers smooth, responsive performance and reliability in tough conditions.


Cat hydraulics deliver the power and control to keep material moving.


Designed for maximum strength and durability in the harshest operating environments.

Operator Station

Setting a new industry standard for comfort and efficiency.


Cat buckets provide the flexibility to match the machine to the material and conditions.


Less time spent on maintenance means more time being productive.

Customer Support

Caterpillar dealers have what it takes to keep mining underground equipment productive.


Caterpillar mining machines and systems are designed with saftey as their first priority.

R2900G XTRA Standard Equipment

  • Alternator, 95-amp
  • Battery Disconnect Switch, Ground Level
  • Corrosive Protection Spray
  • Diagnostic Connector
  • Electric Starting, 24-volt
  • Engine Shutdown Switch
  • External Lighting System, Front, Rear
  • Low Maintenance Batteries
  • Reversing Alarm
  • Starting And Charging System

Operator Environment
  • Caterpillar Electronic Monitoring System (CEMS)
  • Electric Horns
  • Gauges
  • Pilot Hydraulic Implement Controls, Single Joystick
  • ROPS / FOPS Structure
  • Suspension Seat With Retractable Seatbelt
  • Wheel Steer

Power Train
  • Cat C15 ATAAC Diesel Engine with ACERT™ Technology, 6-Cylinder
  • Long Life Coolant
  • Full Hydraulic Enclosed Wet Multiple-Disc Brakes (SAFR™)
  • Planetary Powershift Transmission with Automatic Shift Control, 4 Speed Forward / 4 Speed Reverse
  • Engine Air Intake Precleaner
  • Torque Converter
  • Transmission Neutralizer
  • Fuel Priming Aid
  • Crossflow radiator
  • Dual Fuel Tanks

Other Standard Equipment
  • Auto Park Brake
  • Brake Axle Cooling
  • Bucket Positioner, Return To Dig
  • Catalytic Exhaust Purifier / Muffler Group
  • Engine And Transmission Belly Guards
  • Fenders, Front, Rear
  • Firewall
  • Hardox 450 Bucket Lip
  • Rear Frame Protection Wear Bars 100 x 50 mm (4 x 2 in)
  • Semi Centralized Lubrication Points
  • Swing Out Radiator Grill
  • Tires, STMS (L5) 29.5 x 29 34-Ply
  • Interlock System Includes ABA

R2900G XTRA Optional Equipment

Alternative Tire Arrangements

Automatic Lube System

Auxiliary Start Receptacle

Brake Light

Brake Pressure Gauges

Brake Release Arrangements

Bucket Heel Shrouds

Bucket Sacrificial Wear Strip Package

Centralized Lube System, Manual

Draw Bar Attachment, Bolt-on

Electronic Access Module

Fast Fill System
  • Coolant
  • Engine
  • Fuel
  • Hydraulic
  • Transmission

Fire Extinguishers

Fire Suppression System

Front Light Protectors

Heater, Air Conditioning

Oil Sample Adapters

Operators Station
  • Air Conditioning
  • Pressurizer
  • Dome Light
  • Radio Ready

Payload Control System (PCS)

Remote Activated Fire System

Remote Control Systems
  • Proportional
  • Retrieval attachment

Reversible Steering, Wheel Steer

Ride Control System

Seat Covers

Secondary Steering System

Service Tools

STIC™ Steering

Tee Seat