New CAT Equipment

R2900G Underground Mining Loader

Engineered for Performance. Designed for Comfort. Built to Last.

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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    Benefits

    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

    Learn more about the R2900G Underground Mining Loader

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    • 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
    • Engine
      Bore
      5.4 in
      Displacement
      927.9 in³
      Engine Model
      Cat® C15
      Engine Power - Tier 3 Engine - ISO 14396:2002
      401 hp
      Engine Power - VR Engine - ISO 14396:2002
      401 hp
      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.
      Stroke
      6.8 in
    • Hydraulic Cycle Times
      Dump
      3.4 s
      Lower, Empty, Float Down
      3.1 s
      Raise
      9.2 s
      Total Cycle Time
      15.7 s
    • Operating Specifications
      Breakout Force - SAE
      60298 lb
      Gross Machine Mass
      155095 lb
      Nominal Payload Capacity
      37920 lb
      Static Tipping Load - Full Turn - Lift Arms Horizontal
      75109 lb
      Static Tipping Load - Straight Ahead - Lift Arms Horizontal
      88015 lb
    • Service Refill Capacities
      Cooling System
      19.8 gal (US)
      Engine Crankcase
      9 gal (US)
      Front Differential and Final Drives
      31.4 gal (US)
      Front Differential and Final Drives - With Axle Oil Cooling System
      42 gal (US)
      Fuel Tank - Dual
      376.4 gal (US)
      Hydraulic Tank
      37 gal (US)
      Rear Differential and Final Drives
      33.5 gal (US)
      Rear Differential and Final Drives - With Axle Oil Cooling System
      44.1 gal (US)
      Transmission
      16.4 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
    • Tires
      Tire Size
      29.5 × 29
    • 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
    • Turning Dimensions
      Articulation Angle
      42.5°
      Axle Oscillation
      Inner Clearance Radius
      133.2 in
      Outside Clearance Radius
      288.3 in
    • Weights
      Note
      *Calculated Weight.
      Operating Mass + Rated Payload*
      148611 lb
      Operating Mass + Rated Payload* - Front Axle
      110716 lb
      Operating Mass + Rated Payload* - Rear Axle
      37895 lb
      Operating Mass*
      110692 lb
      Operating Mass* - Front Axle
      50832 lb
      Operating Mass* - Rear Axle
      59860 lb
    ELECTRICAL
    • Engine shutdown switch
    • Lighting: Bucket lip
      – External, front, rear, stop light, dual halogen
    • Receptacle Group, auxiliary start
    • Starter, electric, 24-volt
    • Starting and charging system
    • Alarm, reversing
    • Alternator, 95 amp
    • Battery disconnect switch, ground level
    • Batteries, low maintenance
    • Diagnostic connector
    OPERATOR ENVIRONMENT
    • Automatic Brake Application (ABA)
    • Cab:
      – Cab, open, ROPS/FOPS
    • Caterpillar Electronic Monitoring System (CEMS), dash instrumental panels
    • Horns, electric
    • Instrumentation/gauges:
      – Speedometer/tachometer
      – Fuel level
      – Hydraulic oil temperature
      – Engine coolant temperature
    • Operator presence system
    • Light, warning, residual brake
    • Mounting, ROPS
    • Pilot hydraulic implement controls (single joystick)
    • Seat:
      – Seat, suspension, vinyl
    • Seat belt, retractable
    POWER TRAIN
    • Brakes, full hydraulic enclosed wet multiple-disc (SAFR)
    • Engine:
      – Cat C15 six cylinder diesel
      – Air-to-air aftercooler (ATAAC)
    • Exhaust:
      – Exhaust, purifier, muffler
    • Filter, engine, remote mounted
    • Fuel adapters:
      – Standard fill, dual, rubber coated, double steel braided fuel lines
    • Fuel priming pump
    • Park Brake Switch Engagement (choose between):
      – Push to Apply
      – Pull to Apply
    • Pre-cleaner, engine air intake
    • Torque converter, lock-up clutch (LUC)
    • Transmission:
      – Electronic Clutch Pressure Control (ECPC)
      – Auto planetary powershift (4F/4R)
      – Transmission neutralizer
    OTHER STANDARD EQUIPMENT
    • Brake axle cooling
    • Cap, radiator, manual release
    • Catalytic exhaust purifier/muffler
    • Dump bucket
    • Bucket lip:
      – Lip weldings – full weld edge or tack weld edge and corners
    • Decals, International Picto Graphics
    • Fenders, front, rear
    • Firewall
    • Guards, engine and transmission
    • Handholds
    • Lift arm positioner for return to dig
    • Radiator grill, swing out
    • Service oil sample
    • Valve, drain, transmission oil filter
    • Valve, hydraulic, standard
    • Windows:
      – Single pane
    TIRES, RIMS, AND WHEELS
    • Tires arrangements: tires must be selected from the Mandatory Attachments section, choose between:
      – Tire, 29.5 × R29 VSMS 2 Bridgestone
      – Tire, 29.5 × R29 VSDL L5 Bridgestone
    • Rims (set of four): five piece, tubeless
    ELECTRICAL
    • Battery disconnect switch, in cab
    • Lighting:
      – Cat LED work lights
      – Truck loading light
    OPERATOR ENVIRONMENT
    • Cab:
      – Cab, enclosed, ROPS/FOPS
    • Camera, color rear facing
    • Duct, air, flow diverter
    • Idle timer (enclosed cab)
    • Instrumentation/gauges:
      – Brake pressure
    • Seat:
      – Seat, suspension, tee, vinyl
      – Seat, suspension, air, vinyl
      – Seat covers, tee, air and standard
    TECHNOLOGY PRODUCTS
    • Command for Underground*
    • Vital Information Management System (VIMS) Gen 3
    • Payload system, Loadrite
    • Remote Control Interface (excludes transmitter and receiver) – RCT
    • Note: *Please consult with your Regional Commercial or Technology Representative prior to upgrading your machine to Command for Underground.
    TIRES, RIMS, AND WHEELS
    • Rim identification numbering
    • Spare rim (tubeless)
    POWER TRAIN
    • Exhaust:
      – Particulate filter, Flow Thru
      – Particulate filter, Wall Flow
    • Fuel adapters:
      – Standard fill, dual, stainless steel covered, single braided fuel lines
      – Fast fill, dual, rubber coated, double steel braided fuel lines
      – Fast fill, dual, stainless steel covered, single braided fuel lines
    • Secondary Steering System
    • Engine Options:
      – Engine, Ventilation Reduction (VR)
      – VR engine, Flow Thru Ready
      – Engine, Tier 3
    OTHER OPTIONAL EQUIPMENT
    • Brake Release Arrangements:
      – Recovery hook
      – Recovery bar
    • Buckets:
      – Various sizes, dump (6.3 m3/8.2 yd3 to 8.9 m3/11.6 yd3)
      – Light materials, dump, uninstalled (10.5 m3/13.7 yd3, 11.6 m3/15.2 yd3)
    • Bucket lip:
      – Modular weld-on
      – Bolt-on lips
      – Durilock
    • Ground Engaging Tools:
      – Cutting edge, Cat weld-on
      – Cutting edge, bolt-on half arrow
      – Cutting edge, shrouds, Durilock
      – MAWPS – bucket lip protection
      – Heel shrouds
      – Wear bars
      – Liners
      – Overflow guard
    • Faster fill and evacuation systems:
      – Engine, Fast Fill
      – Radiator, Fast Fill
      – Hydraulic, Fast Fill
      – Transmission, Fast Fill
    • Draw bar attachment, bolt-on
    • Fire Suppression System:
      – Foam, water based
    • Fluids:
      – Arctic coolant
      – Arctic fuel
    • Guard, light and window
    • Handrails
    • Lubrication System:
      – Automatic
      – Centralized
    • Mine Transfer
    • Reversible steering
    • Reflective tape
    • Ride Control System
    • Service tools:
      – Collet jacking bolts
      – Recovery bar
    • Vandalism protection
    • Windows
      – Dual pane
    • Wear protection bars:
      – Cab/ROPS
      – Hydraulic tank
      – Radiator