< Back

Financing & Insurance
See our Offers
View Product Downloads
Yes, I would like to receive future marketing communications (such as email) from Caterpillar Inc., its affiliates and subsidiaries worldwide and the Caterpillar dealer network. Regardless of whether you decide to receive these marketing communications, Caterpillar will continue to send service/transactional messages, including those that have to do with any accounts that you may have with us.


The R2900G underground loader is designed for high production, low cost-per-ton loading and tramming in underground mining applications. Compact design with agile performance, rugged construction and simplified maintenance ensures excellent productivity, long life and low operating costs. Engineered for performance, designed for comfort, built to last.


Engine Model Cat® C15 ACERT™ Cat® C15 ACERT™ Less
Rated Power 1800.0 rpm 1800.0 rpm Less
Gross Power – SAE J1995 409.0 hp 305.0 kW Less
Bore 5.4 in 137.2 mm Less
Stroke 6.8 in 171.5 mm Less
Displacement 927.9 in3 15.2 L Less
Gross Power – VR Engine – SAE J1995 409.0 hp 305.0 kW Less
Gross Power – Tier 3 Engine – SAE J1995 409.0 hp 305.0 kW Less

Operating Specifications

Nominal Payload Capacity 37926.0 lb 17200.0 kg Less
Gross Machine Mass 155095.0 lb 70350.0 kg Less
Static Tipping Load Straight Ahead Lift Arms Horizontal 88015.0 lb 39923.0 kg Less
Static Tipping Load Full Turn Lift Arms Horizontal 75109.0 lb 34069.0 kg Less
Breakout Force (SAE) 60298.0 lb 27346.0 kg Less


Empty* 110692.0 lb 50209.0 kg Less
Loaded* 148611.0 lb 67409.0 kg Less
Empty – Front Axle 50832.0 lb 23057.0 kg Less
Empty – Rear Axle 59860.0 lb 27152.0 kg Less
Loaded – Front Axle 110716.0 lb 50220.0 kg Less
Loaded – Rear Axle 37895.0 lb 17189.0 kg Less
Note *Calculated Weight. *Calculated Weight. Less


Forward 1 3.4 mph 5.4 km/h Less
Forward 2 6.0 mph 9.7 km/h Less
Forward 3 10.7 mph 17.3 km/h Less
Forward 4 18.5 mph 29.8 km/h Less
Reverse 1 4.1 mph 6.6 km/h Less
Reverse 2 7.3 mph 11.8 km/h Less
Reverse 3 13.0 mph 21.0 km/h Less
Reverse 4 22.0 mph 35.5 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 Capacities 6.3-8.9 m3 (8.2-11.6 yd3) 6.3-8.9 m3 (8.2-11.6 yd3) Less
Dump Bucket – 1** 8.2 yd3 6.3 m3 Less
Dump Bucket – 2** 9.4 yd3 7.2 m3 Less
Dump Bucket – 3** 10.9 yd3 8.3 m3 Less
Dump Bucket – 4** 11.6 yd3 8.9 m3 Less
Note **High penetration bucket versions also available. **High penetration bucket versions also available. Less

Turning Dimensions

Axle Oscillation Less
Articulation Angle 42.5° 42.5° Less
Inner Clearance Radius 133.2 in 3383.0 mm Less
Outside Clearance Radius 288.3 in 7323.0 mm Less


Tire Size 29.5 × 29 34 PLY VSMS 29.5 × 29 34 PLY VSMS Less

Service Refill Capacities

Engine Crankcase 9.0 gal 34.0 L Less
Front Differential and Final Drives (with Axle Oil Cooling System) 42.0 gal 159.0 L Less
Rear Differential and Final Drives (with Axle Oil Cooling System) 44.1 gal 167.0 L Less
Cooling System 19.8 gal 75.0 L Less
Front Differential and Final Drives 31.4 gal 119.0 L Less
Fuel Tank (Dual) 376.4 gal 1425.0 L Less
Hydraulic Tank 37.0 gal 140.0 L Less
Rear Differential and Final Drives 33.5 gal 127.0 L Less
Transmission 16.4 gal 62.0 L Less


Brakes ISO 3450, AS2958.1, CAN-CSA424.30-M90 ISO 3450, AS2958.1, CAN-CSA424.30-M90 Less
Cab/FOPS ISO 3449, SAE J231, AS2294.3, EN13627 ISO 3449, SAE J231, AS2294.3, EN13627 Less
Cab/ROPS ISO 3471, SAE J1040, AS2294.2, EN13510 ISO 3471, SAE J1040, AS2294.2, EN13510 Less

Power Train – Engine

The Cat C15 engine with ACERT Technology. Innovative technologies optimize performance.

Power Train – Transmission

More power to the ground for greater productivity.


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


Rugged Cat structures – the backbone of the R2900G’s durability.

Operator Comfort

Ergonomically designed for all-day comfort, control and productivity.

Loader Bucket Systems

Rugged performance and reliability in tough underground mining applications.


More time for production.

Customer Support

Cat dealer services keep underground mining equipment productive.


Cat mining machines and systems are designed with safety as their first priority.

R2900GStandard Equipment

  • 12V Power Supply in Cab
  • Alternator, 95-amp
  • Auxiliary Start Receptacle
  • Battery Disconnect Switch, Ground Level
  • Circuit Breaker, 80-amp
  • Corrosive Protection Spray
  • Diagnostic Connector
  • Electric Starting, 24-volt
  • Engine Shutdown Switches: – Rear Left Hand Side – Rear Right Hand Side
  • External Lighting System, Front, Rear, Halogen Work Lights
  • Low Maintenance Batteries
  • Reversing Alarm
  • Starting and Charging System

  • Cat Electronic Monitoring System (Cat EMS)
  • Electric Horns
  • Gauges: – Engine Coolant Temperature – Transmission Coolant Temperature – Hydraulic Oil Temperature – Fuel Level – Speedometer – Tachometer
  • Indicator Lights: – Alert Warning Light – Residual Brake Pressure
  • Low Hydraulic Level Warning
  • Open Operator Station ROPS/FOPS Structure
  • Operator Presence System (Auto Park Brake)
  • Pilot Hydraulic Implement Controls, Single Joystick
  • Push Button Panel for Lights
  • Suspension Seat with Retractable Seat Belt
  • STIC Steering

  • Cat C15 ATAAC Diesel Engine, 6-Cylinder
  • Brake Axle Cooling
  • Electric Fuel Priming Pump
  • Engine Air Intake Precleaner
  • Engine Oil Filter, Remote Mounted
  • Heat Shields
  • Long Life Coolant
  • Planetary Powershift Transmission with Automatic Shift Control, 4 Speed Forward/4 Speed Reverse
  • Radiator, Cross Flow
  • Radiator Cap Manual Release
  • Rims, 5-Piece, Tubeless
  • SAFR™ Full Hydraulic Enclosed Wet Multiple-Disc Brakes
  • Torque Converter with Automatic Lockup Clutch
  • Transmission Neutralizer With Override Switch
  • Transmission Filter Drain Tap

  • Brake Light
  • Bucket, Dump
  • Bucket Lip, Hardox 450 Bucket
  • Bucket Positioner, Return To Dig
  • Catalytic Exhaust Purifier/Muffler Group
  • Decals, International Picto Graphics
  • Fuel System: – Dual Fuel Tanks – Fuel System Manual Shut Off Taps
  • Engine and Transmission Belly Guards
  • Fenders, Front, Rear
  • Firewall
  • Hand Hold (Access On/Off Top Deck)
  • Operator and Maintenance Manual, English
  • Protection Wear Bars 100 × 50 mm (4 × 2 in)
  • Rims, 5-Piece, Tubeless
  • Semi Centralized Lubrication Points
  • S·O·S port: – Coolant – Engine Oil – Hydraulic Oil – Transmission Oil
  • Swing Out Radiator Grill
  • Tires and Rims: A tire must be selected from the mandatory attachments section of the machine price list. Base machine price includes a standard tubeless rim allowance only.

R2900GOptional Equipment

Battery and Engine Shutdown Switches
  • Ground Level Isolation, In Cab Isolation Switch
  • Ground Level Isolation, Engine Shutdown Switch
  • Ground Level Isolation, In Cab Isolation, Engine Shutdown Switch

Brake Pressure Gauges

Brake Release Arrangements
  • Recovery Hook
  • Recovery Bar

  • Bucket Profile Standard or High Penetration
  • Various Sizes, Dump (6.3 m3/8.2 yd3 to 8.9 m3/11.6 yd3)
  • Bucket Spill Guard

Bucket, Corners
  • Cast Corner, Shark Ready
  • Cast Corner, (All Other Hardware)

Bucket Hardware
  • Cutting Edge, Cat Weld-on
  • Cutting Edge, Half Arrow, Flat
  • Heel Shrouds
  • Mechanical Attached Shroud (MAS)
  • Mechanically Attached Wear Plate System, Cutting Edge Protection (MAWPS)
  • Mechanically Attached Wear Plate System, Bottom Protection (MAWPS)
  • Protector Pads (Bottom of Bucket)
  • Wear Bars
  • Wear Liner (7.2 m3/9.4 yd3 and 8.3 m3/10.9 yd3 Buckets)

Bucket Lip
  • Lip Fully Welded or Tack Welded
  • Lip Bare (No Hardware)
  • MAS Ready (Mechanical Attached Shroud)

Camera, Color Rear Facing

Chain Ready Front Fenders (chains not included)

Cover, Anti Vandalism for Shipping

Draw Bar Attachment, Bolt-On

Engine Options
  • Diesel Particulate Filter (for use with VR Engine only)
  • Engine, Ventilation Reduction (VR)
  • Engine, Tier 3

  • External Lighting System, Front, Rear, LED Work Lights
  • High/Low Beam Function
  • Truck Loading Light, Lower Front Frame

Fast Fill System
  • Coolant
  • Engine Oil
  • Fuel (Dual Tanks)
  • Hydraulic Oil
  • Transmission Oil

Fire Suppression System
  • Ansul, Dry Powder
  • Foam, Water Based

  • Arctic Coolant
  • Arctic Fuel

Front Light Protectors

Fuel System
  • Fuel Lines Double Braided (Stainless Sleeving)
  • Fuel Lines Standard Braided (Double Braid Hydraulic Hose)

Guard, Rear Side Quarter Window

  • Hand Hold (Access On/Off Top Deck)
  • Fold Down Onto Top Deck

Hydraulic System
  • Alternate Implement/Pilot Control Configuration

Lubrication System
  • Automatic
  • Centralized

Mine Transfer Ready Rear Frame (Tack Welded)

Operators Station ROPS/FOPS Enclosed
  • Air Conditioning
  • Cab Pressurizer and Filter
  • Duct, Window Demister
  • Dome Light
  • Heater
  • Radio Ready Compartment for Radio and Speakers
  • Strut, Cab Door

Operator and Maintenance Manual
  • Chinese
  • French
  • Indonesian
  • Portuguese
  • Russian
  • Spanish

Park Brake Switch Engagement
  • Push to Apply
  • Pull to Apply

Payload Control System
  • Payload Control System (PCS)
  • Loadrite L2180

Remote Control Interface (excludes Transmitter and Receiver)
  • RCT

Reversible Steering

Reflective Tape

Ride Control System

  • Rim Identification Numbering
  • Spare (Tubeless)

  • Seat Covers, Tee, Air and Standard
  • Suspension Seat Tee, Vinyl
  • Suspension Seat Air, Vinyl

Secondary Steering System

Service Tools
  • Brake Wear Gauge
  • Collet Jacking Bolts
  • Diagnostics Box
  • Recovery Bar (for use with Brake Release, Recovery Bar System)
  • Socket Extension, Wheel Nut
  • Reference Parts Manual for Additional Tooling Available

  • Engine Shutdown, Fire Suppression Activation
  • Idle Timer
  • Engine Shutdown/Idle Timer

  • Command for Underground
  • Vital Information Management System (VIMS) Gen 3
  • Electronic Access Module (Required with Automation)

Tire Arrangements
  • Tire, 29.5 × R29 VSMS 2 Bridgestone
  • Tire, 29.5 × R29 VSDL L5 Bridgestone
  • Tire, 29.5 × R29 XMine D2 Michelin
  • Tire, 29.5 × R29 XSMD2 L5S Michelin

Wear Protection Bars
  • Cab/ROPS
  • Hydraulic Tank
  • Radiator

  • Single Pane
  • Dual Pane

NOTE: Not all features are available in all regions. See your Cat dealer for more information.