New CAT Equipment

R2900G Underground Mining Loader

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.

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    Product Specs

    Engine

    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.

    Operating Specifications

    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

    Weights

    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.

    Transmission

    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

    Hydraulic Cycle Times

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

    Bucket Capacities

    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

    Turning Dimensions

    Outside Clearance Radius 288.3 in
    Inner Clearance Radius 133.2 in
    Axle Oscillation
    Articulation Angle 42.5°

    Tires

    Tire Size 29.5 × 29

    Service Refill Capacities

    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)

    Standards

    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