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
Engine Model
Cat® C15
Engine Power - Tier 3 Engine - ISO 14396:2002
401HP
Engine Power - VR Engine - ISO 14396:2002
401HP
Bore
5.4in
Stroke
6.8in
Displacement
927.9in³
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.
Operating Specifications
Nominal Payload Capacity
37920lb
Gross Machine Mass
155095lb
Static Tipping Load - Straight Ahead - Lift Arms Horizontal
88015lb
Static Tipping Load - Full Turn - Lift Arms Horizontal
75109lb
Breakout Force - SAE
60298lb
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
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
Operating Mass*
110692lb
Operating Mass* - Front Axle
50832lb
Operating Mass* - Rear Axle
59860lb
Operating Mass + Rated Payload*
148611lb
Operating Mass + Rated Payload* - Front Axle
110716lb
Operating Mass + Rated Payload* - Rear Axle
37895lb
Note
*Calculated Weight.
Service Refill Capacities
Engine Crankcase
9gal (US)
Transmission
16.4gal (US)
Hydraulic Tank
37gal (US)
Cooling System
19.8gal (US)
Front Differential and Final Drives
31.4gal (US)
Rear Differential and Final Drives
33.5gal (US)
Front Differential and Final Drives - With Axle Oil Cooling System
42gal (US)
Rear Differential and Final Drives - With Axle Oil Cooling System
44.1gal (US)
Fuel Tank - Dual
376.4gal (US)
Hydraulic Cycle Times
Raise
9.2s
Dump
3.4s
Lower, Empty, Float Down
3.1s
Total Cycle Time
15.7s
Turning Dimensions
Outside Clearance Radius
288.3in
Inner Clearance Radius
133.2in
Axle Oscillation
Articulation Angle
42.5°
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

Standard Equipment:

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
 

Optional Equipment:

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:
    – Ansul, dry powder
    – 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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