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.

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Engine ModelCat® C15

Engine Power - Tier 3 Engine - ISO 14396:2002401hp

Engine Power - VR Engine - ISO 14396:2002401hp

Bore5.4in

Stroke6.8in

Displacement927.9in³

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.

Nominal Payload Capacity37920lb

Gross Machine Mass155095lb

Static Tipping Load - Straight Ahead - Lift Arms Horizontal88015lb

Static Tipping Load - Full Turn - Lift Arms Horizontal75109lb

Breakout Force - SAE60298lb

Bucket Capacity6.3-8.9 m³ (8.2-11.6 yd³)

Dump Bucket - 18.2yd³

Dump Bucket - 29.4yd³

Dump Bucket - 310.9yd³

Dump Bucket - 411.6yd³

Operating Mass*110692lb

Operating Mass* - Front Axle50832lb

Operating Mass* - Rear Axle59860lb

Operating Mass + Rated Payload*148611lb

Operating Mass + Rated Payload* - Front Axle110716lb

Operating Mass + Rated Payload* - Rear Axle37895lb

Note*Calculated Weight.

Engine Crankcase9gal (US)

Transmission16.4gal (US)

Hydraulic Tank37gal (US)

Cooling System19.8gal (US)

Front Differential and Final Drives31.4gal (US)

Rear Differential and Final Drives33.5gal (US)

Front Differential and Final Drives - With Axle Oil Cooling System42gal (US)

Rear Differential and Final Drives - With Axle Oil Cooling System44.1gal (US)

Fuel Tank - Dual376.4gal (US)

BrakesISO 3450, AS2958.1, CAN-CSA424.30-M90

Cab - FOPSISO 3449, SAE J231, AS2294.3, EN13627

Cab - ROPSISO 3471, SAE J1040, AS2294.2, EN13510

Raise9.2s

Dump3.4s

Lower, Empty, Float Down3.1s

Total Cycle Time15.7s

Outside Clearance Radius288.3in

Inner Clearance Radius133.2in

Axle Oscillation

Articulation Angle42.5°

Forward - 13.4mile/h

Forward - 26mile/h

Forward - 310.7mile/h

Forward - 418.5mile/h

Reverse - 14.1mile/h

Reverse - 27.3mile/h

Reverse - 313mile/h

Reverse - 422mile/h

Tire Size29.5 × 29

Standard

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

Optional

Battery disconnect switch, in cab

Lighting:
– Cat LED work lights
– Truck loading light

Standard

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

Optional

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

Standard

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

Optional

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

Standard

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

Standard

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

Rim identification numbering

Spare rim (tubeless)

Optional

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.

Optional

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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