R2900G Underground Mining Loader

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.

  • Engine Model Cat® C15

  • Engine Power - Tier 3 Engine - ISO 14396:2002 401 hp

  • Nominal Payload Capacity 37920 lb

  • Engine Power - VR Engine - ISO 14396:2002 401 hp

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Product Specifications

Specifications

Engine

  • Bore 5.4in

  • Displacement 927.9in³

  • Engine Model Cat® C15

  • Engine Power - Tier 3 Engine - ISO 14396:2002 401hp

  • Engine Power - VR Engine - ISO 14396:2002 401hp

  • 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 specificat

  • 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 6.8in

Operating Specifications

  • Breakout Force - SAE 60298lb

  • Gross Machine Mass 155095lb

  • Nominal Payload Capacity 37920lb

  • Static Tipping Load - Full Turn - Lift Arms Horizontal 75109lb

  • Static Tipping Load - Straight Ahead - Lift Arms Horizontal 88015lb

Bucket Capacities

  • Bucket Capacity 6.3-8.9 m³ (8.2-11.6 yd³)

  • Dump Bucket - 1 8.2yd³

  • Dump Bucket - 2 9.4yd³

  • Dump Bucket - 3 10.9yd³

  • Dump Bucket - 4 11.6yd³

Service Refill Capacities

  • Cooling System 19.8gal (US)

  • Engine Crankcase 9gal (US)

  • Front Differential and Final Drives 31.4gal (US)

  • Front Differential and Final Drives - With Axle Oil Cooling System 42gal (US)

  • Fuel Tank - Dual 376.4gal (US)

  • Hydraulic Tank 37gal (US)

  • Rear Differential and Final Drives 33.5gal (US)

  • Rear Differential and Final Drives - With Axle Oil Cooling System 44.1gal (US)

  • Transmission 16.4gal (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

Weights

  • Note *Calculated Weight.

  • Operating Mass + Rated Payload* 148611lb

  • Operating Mass + Rated Payload* - Front Axle 110716lb

  • Operating Mass + Rated Payload* - Rear Axle 37895lb

  • Operating Mass* 110692lb

  • Operating Mass* - Front Axle 50832lb

  • Operating Mass* - Rear Axle 59860lb

Hydraulic Cycle Times

  • Dump 3.4s

  • Lower, Empty, Float Down 3.1s

  • Raise 9.2s

  • Total Cycle Time 15.7s

Turning Dimensions

  • Articulation Angle 42.5°

  • Axle Oscillation

  • Inner Clearance Radius 133.2in

  • Outside Clearance Radius 288.3in

Transmission

  • Forward - 1 3.4mile/h

  • Forward - 2 6mile/h

  • Forward - 3 10.7mile/h

  • Forward - 4 18.5mile/h

  • Reverse - 1 4.1mile/h

  • Reverse - 2 7.3mile/h

  • Reverse - 3 13mile/h

  • Reverse - 4 22mile/h

Tires

  • Tire Size 29.5 × 29

Features

Equipment

Standard Equipment

  • 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

  • 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

  • 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

  • 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 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

Optional Equipment

  • Battery disconnect switch, in cab

  • Lighting:
    – Cat LED work lights
    – Truck loading light

  • 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

  • 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.

  • Rim identification numbering

  • Spare rim (tubeless)

  • 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

  • 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