R2900G Underground Mining Loader

Overview
Engine Model
Cat® C15 ACERT™
Rated Power
1,800 rpm
Gross Power – SAE J1995
409 hp

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.

Engine

Engine Model
Cat® C15 ACERT™
Rated Power
1,800 rpm
Gross Power – SAE J1995
409 hp
Bore
5 in
Stroke
7 in
Displacement
928 in3
Gross Power – VR Engine – SAE J1995
409 hp
Gross Power – Tier 3 Engine – SAE J1995
409 hp
Engine Model
Cat® C15 ACERT™
Rated Power
1,800 r/min
Gross Power - SAE J1995
409 HP
Bore
5 in
Stroke
7 in
Displacement
928 in³
Gross Power - Tier 3 Engine - SAE J1995
409 HP
Gross Power - VR Engine - SAE J1995
409 HP

Operating Specifications

Nominal Payload Capacity
37,926 lb
Gross Machine Mass
155,095 lb
Static Tipping Load - Straight Ahead - Lift Arms Horizontal
88,015 lb
Static Tipping Load - Full Turn - Lift Arms Horizontal
75,109 lb
Breakout Force - SAE
60,298 lb
Nominal Payload Capacity
37,926 lb
Gross Machine Mass
155,095 lb

Turning Dimensions

Articulation Angle
42.5°
Inner Clearance Radius
133 in
Outside Clearance Radius
288 in
Axle Oscillation
Articulation Angle
42.5°
Inner Clearance Radius
133 in
Outside Clearance Radius
288 in

Transmission

Forward 1
3 mph
Forward 2
6 mph
Forward 3
11 mph
Forward 4
19 mph
Reverse 1
4 mph
Reverse 2
7 mph
Reverse - 3
13 mile/h
Reverse - 4
22 mile/h
Forward - 1
3 mile/h
Forward - 2
6 mile/h
Forward - 3
11 mile/h
Forward - 4
19 mile/h
Reverse - 1
4 mile/h
Reverse - 2
7 mile/h

Tires

Tire Size
29.5 × 29 34 PLY VSMS
Tire Size
29.5 × 29 34 PLY VSMS

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
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
Standards
ROPS/FOPS Certified Cab
Standards
ROPS/FOPS Certified Cab

Weights

Empty – Front Axle
50,832 lb
Empty – Rear Axle
59,860 lb
Loaded – Front Axle
110,716 lb
Loaded – Rear Axle
37,895 lb
Empty*
110,692 lb
Loaded*
148,611 lb
Note
*Calculated Weight.
Empty - Front Axle
50,832 lb
Empty - Rear Axle
59,860 lb
Loaded - Front Axle
110,716 lb
Loaded - Rear Axle
37,895 lb
Note
*Calculated Weight.

Service Refill Capacities

Engine Crankcase
9 gal
Cooling System
20 gal
Front Differential and Final Drives
31 gal
Hydraulic Tank
37 gal
Rear Differential and Final Drives
34 gal
Transmission
16 gal
Front Differential and Final Drives - With Axle Oil Cooling System
42 gal (US)
Rear Differential and Final Drives - With Axle Oil Cooling System
44 gal (US)
Fuel Tank - Dual
376 gal (US)
Engine Crankcase
9 gal (US)
Cooling System
20 gal (US)
Front Differential and Final Drives
31 gal (US)
Hydraulic Tank
37 gal (US)
Rear Differential and Final Drives
34 gal (US)
Transmission
16 gal (US)

Bucket Capacities

Bucket Capacities
6.3-8.9 m3 (8.2-11.6 yd3)
Dump Bucket - 1**
8 yd³
Dump Bucket - 2**
9 yd³
Dump Bucket - 3**
11 yd³
Dump Bucket - 4**
12 yd³
Note
**High penetration bucket versions also available.
Note
**High penetration bucket versions also available.

Hydraulic Cycle Times

Raise
9 s
Dump
3 s
Lower, Empty, Float Down
3 s
Total Cycle Time
16 s

Power Train – Engine

Power Train – Transmission

Hydraulics

Structures

Operator Comfort

Loader Bucket Systems

Serviceability

Customer Support

Safety

  • Electrical
    • 12V Power Supply in Cab
    • Alternator, 95-amp
    • Auxiliary Start Receptacle
    • Battery Disconnect Switch, Ground Level
    • Circuit Breaker, 80-amp
    • Corrosive Protection Spray
    • Diagnostic Connector
    • Electric Starting, 24-volt
    • Engine Shutdown Switches
      – Rear Left Hand Side
      – Rear Right Hand Side
    • External Lighting System, Front, Rear, Halogen Work Lights
    • Low Maintenance Batteries
    • Reversing Alarm
    • Starting and Charging System
  • Operator Environment
    • Cat Electronic Monitoring System (Cat EMS)
    • Electric Horns
    • Gauges
      – Engine Coolant Temperature
      – Transmission Coolant Temperature
      – Hydraulic Oil Temperature
      – Fuel Level
      – Speedometer
      – Tachometer
    • Indicator Lights
      – Alert Warning Light
      – Residual Brake Pressure
    • Low Hydraulic Level Warning
    • Open Operator Station ROPS/FOPS Structure
    • Operator Presence System (Auto Park Brake)
    • Pilot Hydraulic Implement Controls, Single Joystick
    • Push Button Panel for Lights
    • Suspension Seat with Retractable Seat Belt
    • STIC Steering
  • Power Train
    • Cat C15 ATAAC Diesel Engine, 6-Cylinder
    • Brake Axle Cooling
    • Electric Fuel Priming Pump
    • Engine Air Intake Precleaner
    • Engine Oil Filter, Remote Mounted
    • Heat Shields
    • Long Life Coolant
    • Planetary Powershift Transmission with Automatic Shift Control, 4 Speed Forward/4 Speed Reverse
    • Radiator, Cross Flow
    • Radiator Cap Manual Release
    • Rims, 5-Piece, Tubeless
    • SAFR Full Hydraulic Enclosed Wet Multiple-Disc Brakes
    • Torque Converter with Automatic Lockup Clutch
    • Transmission Neutralizer With Override Switch
    • Transmission Filter Drain Tap
  • Other Standard Equipment
    • Brake Light
    • Bucket, Dump
    • Bucket Lip, Hardox 450 Bucket
    • Bucket Positioner, Return To Dig
    • Catalytic Exhaust Purifier/Muffler Group
    • Decals, International Picto Graphics
    • Fuel System
      – Dual Fuel Tanks
      – Fuel System Manual Shut Off Taps
    • Engine and Transmission Belly Guards
    • Fenders, Front, Rear
    • Firewall
    • Hand Hold (Access On/Off Top Deck)
    • Operator and Maintenance Manual, English
    • Protection Wear Bars 100 × 50 mm (4 × 2 in)
    • Rims, 5-Piece, Tubeless
    • Semi Centralized Lubrication Points
    • S·O·S port
      – Coolant
      – Engine Oil
      – Hydraulic Oil
      – Transmission Oil
    • Swing Out Radiator Grill
    • Tires and Rims: A tire must be selected from the mandatory attachments section of the machine price list. Base machine price includes a standard tubeless rim allowance only.
  • Optional Equipment
    • Battery and Engine Shutdown Switches
      – Ground Level Isolation, In Cab Isolation Switch
      – Ground Level Isolation, Engine Shutdown Switch
      – Ground Level Isolation, In Cab Isolation, Engine Shutdown Switch
    • Brake Pressure Gauges
    • Brake Release Arrangements,
      – Recovery Hook
      – Recovery Bar
    • Buckets
      – Bucket Profile Standard or High Penetration
      – Various Sizes, Dump (6.3 m³/8.2 yd³ to 8.9 m³/11.6 yd³)
      – Bucket Spill Guard
    • Bucket, Corners
      – Cast Corner, Shark Ready
      – Cast Corner, (All Other Hardware)
    • Bucket Hardware
      – Cutting Edge, Cat Weld-on
      – Cutting Edge, Half Arrow, Flat
      – Heel Shrouds
      – Mechanical Attached Shroud (MAS)
      – Mechanically Attached Wear Plate System, Cutting Edge Protection (MAWPS)
      – Mechanically Attached Wear Plate System, Bottom Protection (MAWPS)
      – Protector Pads (Bottom of Bucket)
      – Wear Bars
      – Wear Liner (7.2 m³/9.4 yd³ and 8.3 m³/10.9 yd³ Buckets)
    • Bucket Lip
      – Lip Fully Welded or Tack Welded
      – Lip Bare (No Hardware)
      – MAS Ready (Mechanical Attached Shroud)
    • Camera, Color Rear Facing
    • Chain Ready Front Fenders (chains not included)
    • Cover, Anti Vandalism for Shipping
    • Draw Bar Attachment, Bolt-On
    • Engine Options
      – Diesel Particulate Filter (for use with VR Engine only)
      – Engine, Ventilation Reduction (VR)
      – Engine, Tier 3
    • Lighting
      – External Lighting System, Front, Rear, LED Work Lights
      – High/Low Beam Function
      – Truck Loading Light, Lower Front Frame
    • Fast Fill System
      – Coolant
      – Engine Oil
      – Fuel (Dual Tanks)
      – Hydraulic Oil
      – Transmission Oil
    • Fire Suppression System
      – Ansul, Dry Powder
      – Foam, Water Based
    • Fluids
      – Arctic Coolant
      – Arctic Fuel
    • Front Light Protectors
    • Fuel System
      – Fuel Lines Double Braided (Stainless Sleeving)
      – Fuel Lines Standard Braided (Double Braid Hydraulic Hose)
    • Guard, Rear Side Quarter Window
    • Handrails
      – Hand Hold (Access On/Off Top Deck)
      – Fold Down Onto Top Deck
    • Hydraulic System
      – Alternate Implement/Pilot Control Configuration
    • Lubrication System
      – Automatic
      – Centralized
    • Mine Transfer Ready Rear Frame (Tack Welded)
    • Operators Station ROPS/FOPS Enclosed
      – Air Conditioning
      – Cab Pressurizer and Filter
      – Duct, Window Demister
      – Dome Light
      – Heater
      – Radio Ready Compartment for Radio and Speakers
      – Strut, Cab Door
    • Operator and Maintenance Manual
      – Chinese
      – French
      – Indonesian
      – Portuguese
      – Russian
      – Spanish
    • Park Brake Switch Engagement
      – Push to Apply
      – Pull to Apply
    • Payload Control System
      – Payload Control System (PCS)
      – Loadrite L2180
    • Remote Control Interface (excludes Transmitter and Receiver)
      – RCT
    • Reversible Steering
    • Reflective Tape
    • Ride Control System
    • Rim
      – Rim Identification Numbering
      – Spare (Tubeless)
    • Seats
      – Seat Covers, Tee, Air and Standard
      – Suspension Seat Tee, Vinyl
      – Suspension Seat Air, Vinyl
    • Secondary Steering System
    • Service Tools
      – Brake Wear Gauge
      – Collet Jacking Bolts
      – Diagnostics Box
      – Recovery Bar (for use with Brake Release, Recovery Bar System)
      – Socket Extension, Wheel Nut
      – Reference Parts Manual for Additional Tooling Available
    • Switches
      – Engine Shutdown, Fire Suppression Activation
      – Idle Timer
      – Engine Shutdown/Idle Timer
    • Technology
      – Command for Underground
      – Vital Information Management System (VIMS) Gen 3
      – Electronic Access Module (Required with Automation)
    • Tire Arrangements
      – Tire, 29.5 × R29 VSMS 2 Bridgestone
      – Tire, 29.5 × R29 VSDL L5 Bridgestone
      – Tire, 29.5 × R29 XMine D2 Michelin
      – Tire, 29.5 × R29 XSMD2 L5S Michelin
    • Wear Protection Bars
      – Cab/ROPS
      – Hydraulic Tank
      – Radiator
    • Windows
      – Single Pane
      – Dual Pane
    • NOTE: Not all features are available in all regions. See your Cat dealer for more information.
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