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
    8°
    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

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