R2900G Underground Mining Loader

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: 1800.0 rpm
Gross Power – SAE J1995: 409 hp
Bore: 5.4 in
Stroke: 6.8 in
Gross Power – SAE J1995: 321/333 kW (430/447 hp)
Displacement: 927.9 in3
Net Power – 80/1269/EEC: 288/300 kW (386/402 hp)
Net Power – ISO 9249: 288/300 kW (386/402 hp)
Net Power – SAE J1349: 290/302 kW (389/405 hp)
Rated Power: 1,900/1,800 rpm
Gross Power – VR Engine – SAE J1995: 409 hp
Gross Power – Tier 3 Engine – SAE J1995: 409 hp

Operating Specifications

Nominal Payload Capacity: 37926.0 lb
Gross Machine Mass: 155095 lb
Static Tipping Load Straight Ahead Lift Arms Horizontal: 88015.0 lb
Static Tipping Load Full Turn Lift Arms Horizontal: 75109.0 lb
Breakout Force (SAE): 60298.0 lb

Weights

Empty*: 110692.0 lb
Loaded*: 148611.0 lb
Empty – Front Axle: 50832.0 lb
Empty – Rear Axle: 59860.0 lb
Loaded – Front Axle: 110716.0 lb
Loaded – Rear Axle: 37895.0 lb
Note: *Calculated Weight.

Transmission

Forward 1: 3.4 mph
Forward 2: 6.0 mph
Forward 3: 10.7 mph
Forward 4: 18.5 mph
Reverse 1: 4.1 mph
Reverse 2: 7.3 mph
Reverse 3: 13.0 mph
Reverse 4: 22.0 mph

Hydraulic Cycle Time

Raise: 9.2 Seconds
Dump: 3.4 Seconds
Lower, empty, float down: 3.1 Seconds
Total Cycle Time: 15.7 Seconds

Bucket Capacities

Bucket Capacities: 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
Note: **High penetration bucket versions also available.

Turning Dimensions

Axle Oscillation: 8°
Articulation Angle: 42.5°
Inner Clearance Radius: 133.2 in
Outside Clearance Radius: 288.3 in

Tires

Tire Size: 29.5 × 29 34 PLY VSMS

Service Refill Capacities

Secondary Fuel Tank (If Equipped): 150.8 gal
Engine Crankcase: 9.0 gal
Front Differential and Final Drives (with Axle Oil Cooling System): 42.0 gal
Rear Differential and Final Drives (with Axle Oil Cooling System): 44.1 gal
Cooling System: 19.8 gal
Front Differential and Final Drives: 31.4 gal
Fuel Tank (Dual): 376.4 gal
Hydraulic Tank: 37.0 gal
Rear Differential and Final Drives: 33.5 gal
Transmission: 16.4 gal

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

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.

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.