New CAT Equipment

R2900G Underground Mining Loader

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.

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    Product Specs

    Engine

    Engine Model Cat® C15
    Engine Power - VR Engine - ISO 14396:2002 401 HP
    Bore 5.4 in
    Stroke 6.8 in
    Displacement 927.9 in³
    Rated Power 1800 r/min
    Engine Power - Tier 3 Engine - ISO 14396:2002 401 HP
    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 (4) Optional Ventilation Reduction Package available.
    Note (1) Power ratings apply at a rated speed of 1,800 rpm when tested under the reference conditions for the specified standard.
    Note (3) No engine derating required up to 591 m (1,938 ft) altitude.
    Note (5) Optional Tier 3 engine package emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

    Operating Specifications

    Rated Payload 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

    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

    Turning Dimensions

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

    Tires

    Tire Size 29.5 × 29

    Service Refill Capacities

    Rear Differential and Final Drives - With Axle Oil Cooling System 44.1 gal (US)
    Front Differential and Final Drives - With Axle Oil Cooling System 42 gal (US)
    Engine Crankcase 9 gal (US)
    Front Differential and Final Drives 31.4 gal (US)
    Transmission 16.4 gal (US)
    Hydraulic Tank 37 gal (US)
    Rear Differential and Final Drives 33.5 gal (US)
    Fuel Tank - Dual 376.4 gal (US)
    Cooling System 19.8 gal (US)

    Standards

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

    Weights

    Note *Calculated Weight.
    Operating Mass + Rated Payload* - Rear Axle 37895 lb
    Operating Mass* 110692 lb
    Operating Mass + Rated Payload* - Front Axle 110716 lb
    Operating Mass* - Front Axle 50832 lb
    Operating Mass + Rated Payload* 148611 lb
    Operating Mass* - Rear Axle 59860 lb

    Bucket Capacities

    Dump Bucket - 4 11.6 yd³
    Dump Bucket - 2 9.4 yd³
    Dump Bucket - 3 10.9 yd³
    Dump Bucket - 1 8.2 yd³