Skip to content
Logo

Overview

The Cat® R2900G underground loader is designed for high-production, low cost-per-ton loading and tramming in underground mining applications. An operator favorite, it delivers a safe, comfortable ride in a cab equipped with easy-to-use controls and efficiency-boosting features that optimize performance and maximize productivity. Its compact design provides agile performance combined with rugged construction and simplified maintenance to ensure excellent productivity, long life and low operating costs.

Key Features

More Comfort. More Performance. More Versatility.

Operator Favorite

Comfort, handling and ride quality combine with integrated, effortless controls to maximize efficiency

Technology-Ready

For remote operation and machine health monitoring solutions

Built to Last

Rugged construction and easy maintenance deliver long life with low operating costs

Specifications

Engine Model Cat® C15
Engine Power - Tier 3 Engine - ISO 14396:2002 401 hp
Engine Power - VR Engine - ISO 14396:2002 401 hp
Bore 5.4 in
Stroke 6.8 in
Displacement 927.9 in³
Note (1) Power ratings apply at a rated speed of 1,800 rpm when tested under the reference conditions for the specified standard.
Note (2) All rating conditions are based on ISO/TR14396:2002, inlet air standard conditions with a total barometric pressure of 100 kPa (29.5 in Hg), with a vapor pressure of 1 kPa (0.295 in Hg), and 25° C (77° F). Performance measured using fuel to EPA specifications in 40 CFR Part 1065 and EU specifications in Directive 97/68/EC with a density of 0.845-0.850 kg/L @ 15° C (7.05-7.09 lb/gal @ 59° F) and fuel inlet temperature 40° C (104° F).
Note (3) No engine derating required up to 591 m (1,938 ft) altitude.
Note (4) Optional Ventilation Reduction Package available.
Note (5) Optional Tier 3 engine package emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Nominal Payload Capacity 37920 lb
Gross Machine Mass 155095 lb
Static Tipping Load - Straight Ahead - Lift Arms Horizontal 88015 lb
Static Tipping Load - Full Turn - Lift Arms Horizontal 75109 lb
Breakout Force - SAE 60298 lb
Operating Mass* 110692 lb
Operating Mass* - Front Axle 50832 lb
Operating Mass* - Rear Axle 59860 lb
Operating Mass + Rated Payload* 148611 lb
Operating Mass + Rated Payload* - Front Axle 110716 lb
Operating Mass + Rated Payload* - Rear Axle 37895 lb
Note *Calculated Weight.
Forward - 1 3.4 mile/h
Forward - 2 6 mile/h
Forward - 3 10.7 mile/h
Forward - 4 18.5 mile/h
Reverse - 1 4.1 mile/h
Reverse - 2 7.3 mile/h
Reverse - 3 13 mile/h
Reverse - 4 22 mile/h
Raise 9.2 s
Dump 3.4 s
Lower, Empty, Float Down 3.1 s
Total Cycle Time 15.7 s
Bucket Capacity 6.3-8.9 m³ (8.2-11.6 yd³)
Dump Bucket - 1 8.2 yd³
Dump Bucket - 2 9.4 yd³
Dump Bucket - 3 10.9 yd³
Dump Bucket - 4 11.6 yd³
Outside Clearance Radius 288.3 in
Inner Clearance Radius 133.2 in
Axle Oscillation 8°
Articulation Angle 42.5°
Tire Size 29.5 × 29
Engine Crankcase 9 gal (US)
Transmission 16.4 gal (US)
Hydraulic Tank 37 gal (US)
Cooling System 19.8 gal (US)
Front Differential and Final Drives 31.4 gal (US)
Rear Differential and Final Drives 33.5 gal (US)
Front Differential and Final Drives - With Axle Oil Cooling System 42 gal (US)
Rear Differential and Final Drives - With Axle Oil Cooling System 44.1 gal (US)
Fuel Tank - Dual 376.4 gal (US)
Brakes ISO 3450, AS2958.1, CAN-CSA424.30-M90
Cab - FOPS ISO 3449, SAE J231, AS2294.3, EN13627
Cab - ROPS ISO 3471, SAE J1040, AS2294.2, EN13510

Our Locations