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Underground mining load haul dump (lhd) loaders

Cat R2900 XE (Diesel-Electric)

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Engine Model

Cat® C15

Engine Power - Stage V Engine - ISO 14396:2002

335 kW

Nominal Payload Capacity

18.500 kg

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Feature and benefits

Built on the platform of our most popular underground loaders, the new R2900 XE is the first Cat® diesel electric underground LHD. It’s a productive, powerful, reliable machine built to meet the underground mining industry’s need for bigger payloads, faster loading and reduced emissions.Its powerful diesel electric drive engine is EU Stage V compliant, and it offers the power to match its class-leading 18.5-tonne . The R2900 XE is highly productive, with smooth and quick machine responses combined with improved digging and tramming performance. Employing electric drive components reduces fuel burn and improves productivity — helping mines reduce greenhouse gas emissions and carbon footprint.

Safety

Improvements in visibility, with lighting and camera coverage, including optional side and rear view cameras with color display, a…

Improvements in visibility, with lighting and camera coverage, including optional side and rear view cameras with color display, auto lights (high and low beam), auto directional switching and auto boom lights on-and-off functions.
Factory-ready for fire suppression, dedicated canister area estate and multiple fire suppression activation points, including from within the cab.
Improved access and egress with anti-slip treads on all walking surfaces, fold down handrail system with full coverage and two in cab emergency exits.
Operator Present System, which protects the machine and operator from uncontrolled machine movements, with hydraulic system neutralization and door sensor. Tire pressure monitoring system is also available.
Safer service with service area located on cold side of engine, thermal protection on aftertreatment components, integrated lock-out/tag-out points, front linkage pins for locking the lift arms in place, and bolt-on tow hooks.

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Operator comfort & control

Rollover Protective Structure (ROPS) and Falling Objects Protective Structure (FOPS) are resiliently mounted to the frame to isola…

Rollover Protective Structure (ROPS) and Falling Objects Protective Structure (FOPS) are resiliently mounted to the frame to isolate the operator from vibration for a more comfortable ride.
The operator present system helps ensure the safety of anyone working in, on or around the machine by preventing machine motion with no operator in the cab.
The enclosed cab design provides fresh, pressurized, temperature controlled air circulation with air conditioning for a more comfortable working environment.
Ride Control System that smooths out the ride on uneven ground, smooth controlled directional shifts, reduced driveline shocks, and hydraulically cushioned bucket and boom cylinder stops.
All controls, levers, switches and gauges are positioned to maximize productivity and minimize fatigue. STIC™ Steering and Transmission Integrated Control provides maximum responsiveness and control that combines directional selection, virtual gears and steering into a single lever.
A two pedal design with improved spacing and position enables better foot control. Improved high and low beam lights offer autodirectional switching and automatic on and off functions.
The R2900 XE’s hydraulic system also improves operator control and boosts productivity. Low-effort electric-over-hydraulic joystick implement controls feature simultaneous lift and tilt functions to optimize operating efficiency.

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Productivity & performance

The R2900 XE delivers a 20% increase* in productivity thanks to a number of new and improved features.An 18.5 tonne (20.4 tonne) p…

The R2900 XE delivers a 20% increase* in productivity thanks to a number of new and improved features.
An 18.5 tonne (20.4 tonne) payload results in faster load times, making the R2900 XE a 3- or 4-pass match with the Cat® AD63 truck for greater efficiency and higher productivity.
The R2900 XE features 52% quicker* acceleration and improved machine response, providing operators greater control over the machine. It can accelerate from 0-24 km/h in 6.4 seconds, a 52% improvement over the R2900G, and achieves 7% higher*speed on grade.
The R1700-style lift arm can reach higher, making it faster and easier to load larger trucks, and improved hydraulic performance makes loading faster and easier. These improvements and more result in reduced cycle times, more material moved and lower cost per tonne. Autodig helps new operators be productive faster and reduces fatigue for all operators.
Productivity is enhanced through the R2900 XE’s hydraulic system. Variable piston pumps deliver higher flow rates for faster hydraulic cylinder cycle times and powerful lift forces. Large-bore lift and tilt cylinders deliver exceptional strength, performance and durability.

*Compared to R2900G

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Cleaner and more powerful

The R2900 XE employs a high efficiency electric drive system and is powered by a quiet, reliable and durable Cat® C15 engine.With…

The R2900 XE employs a high efficiency electric drive system and is powered by a quiet, reliable and durable Cat® C15 engine.
With greater than 31% increased fuel efficiency* and a variety of emission reduction and aftertreatment options — including an EU Stage V configuration and diesel particulate filtration — it provides the power you need while also reducing ventilation costs and helping you meet your sustainability goals. RPM, fuel burn, heat generation and exhaust emissions have all been reduced, while offering an increase in power.
Extended service intervals reduce hydrocarbon use and increases availability.
Proven switched reluctance (SR) electric drive system that is Caterpillar designed, integrated, validated and supported for reliability, ease of cooling and high performance.
Thereplacement of the traditional transmission and torque convertor with electric drive, provides: reduced engine RPM, reduction in engine exhaust emissions, reduction in heat output, reduced noise levels, reduced vibrations, lower hydrocarbon use.

*Compared to R2900G

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Buckets and get

The R2900 XE’s bucket has been redesigned for increased strength and simplified serviceability. Wear bars can be replaced more eas…

The R2900 XE’s bucket has been redesigned for increased strength and simplified serviceability. Wear bars can be replaced more easily, and the design of the bucket channels stress to areas with easy-to-replace wear pads, reducing the need for welding repairs.
Welded, bolted or hammerless Ground Engaging Tools (GET) to meet site-specific needs and fit with site maintenance strategy.
Bolt-On Half Arrow (BOHA) GET for bucket edges, which offer more wear material than standard weld-on GET and feature a bolt-on design that enables fast and easy removal and replacement.
New Durilock Lip Shroud system that features hammerless installation and maintenance-free retention of GET, with three interchangeable shroud styles to meet specific applications.
Cat Bucket Pro App, which provides real-time data on GET performance to help you plan maintenance, manage inventory and understand yourcost-per-ton.

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Reliability & durability

By eliminating castings and reducing weight, we’ve increased the life and strength of the frame without sacrificing performance.Th…

By eliminating castings and reducing weight, we’ve increased the life and strength of the frame without sacrificing performance.
The R2900 XE features a new axle design that offers increased life, higher availability and a number of serviceability features and improvements.
New, larger wheel bearings with optimized positioning and flange-mounted rims last longer and are easier to service.
Four planet gear final drive with larger gear sets.
The updated brake design offers increased capacity, remote mounted brake bleeders, easier service access and extended brake life.
The traction control system reduces tire spin, increasing tire life and reducing consumable costs.

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Serviceability

Electric drive system with fewer moving parts and parts than traditional torque converter and mechanical transmission systems exte…

Electric drive system with fewer moving parts and parts than traditional torque converter and mechanical transmission systems extended maintenance intervals over mechanical power trains.
Improved service access, with swing-open radiator guard, with filters and key service tasks grouped into a centralized service section.
Added remote mounted test ports for testing and troubleshooting. Brake bleeder points in centralized locations.
Fuel tank that bolts in to the frame, allowing it to be easily cleaned or replaced if damaged as it bolts in to the frame.
Modular designed components for easier removal and installation at time of repairs.

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Technology

Factory-ready for remote operation and can be equipped with the industry-proven Cat® MineStar™ Command for underground, which offe…

Factory-ready for remote operation and can be equipped with the industry-proven Cat® MineStar™ Command for underground, which offers line-of-sight remote control; teleremote operation; co-pilot, which requires only directional input from the operator; and fully autonomous operation, including Autodig.
High-resolution dash displays with 11 language options for access to real-time system information.
In-cab machine health monitoring visible on the digital display and monitored through the Cat Product Link™ Elite (PLE) system, including integrated MineStar Health offerings that enable proactive maintenance services and predictive equipment analysis.
Optional MineStar Fleet for underground, which provides real-time visibility to cycle time,payload, machine position and other key operational parameters.
Optional MineStar Detect, which uses a proximity detection system coupled with a revolutionary communication and tracking network to prevent incidents and track people and machines in real time.

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Sustainability

Ongoing research and development into engine compatibility with diesel fuel blended with lower-carbon intensity fuels such as biof…

Ongoing research and development into engine compatibility with diesel fuel blended with lower-carbon intensity fuels such as biofuels and renewable fuels, plus power options like electrification.
Cat Rebuild and Cat Reman programs, which preserve raw materials, conserve energy and reduce emissions.
Retrofits and upgrades for older machines — to incorporate efficiency improvements and emission reductions, and to keep them in production longer to conserve energy and minimize the need for raw materials.

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Technical specification

US
Metric

Engine

Specification	Value
Engine Model	Cat® C15
Engine Power - Stage V Engine - ISO 14396:2002	335 kW
Engine Power - Tier 2/Stage II Engine - ISO 14396:2002	333 kW
Bore	137 mm
Stroke	172 mm
Displacement	15.2 l
Note (1)	Power ratings apply at a rated speed of 1,600 rpm for Tier 2/Stage II model engine when tested under the reference conditions for the specified standard.
Note (2)	Power ratings apply at a rated speed of 1,600 rpm for Stage V model engine when tested under the reference conditions for the specified standard.
Note (3)	All rating conditions are based on ISO/TR 14396, inlet air standard conditions with a total barometric pressure of 100 kPa (29.5 in Hg), with a vapor pressure of 1 kPa (.295 in Hg), and 25° C (77° F). Performance measured using fuel to EPA specifications in 40 CFR Part 1065 and EU specifications in Directive 97/68/EC with a density of 0.845-0.850 kg/L @ 15° C (59° F) and fuel inlet temperature 40° C (104° F).
Note (4)	Minimal engine derating* required up to 2926 m (9,600 ft) at rated speed for Stage V engines and 3505 m (11,500 ft) for Tier 2/Stage II equivalent engines.
Note (5)	Optional DPF (Diesel Particulate Filter) Package available.
Note (6)	* <5%

Operating Specifications

Specification	Value
Nominal Payload Capacity	18.500 kg
Gross Machine Mass	78.089 kg
Shipping Weight	59.869 kg
Static Tipping Load - Straight Ahead - Lift Arms Horizontal	43.276 kg
Static Tipping Load - Full Turn - Lift Arms Horizontal	37.598 kg
Breakout Force - Lift (ISO)	32.500 kg
Breakout Force - Tilt (ISO)	42.000 kg

Weights

Specification	Value
Operating Mass*	55.462 kg
Operating Mass* - Front Axle	24.685 kg
Operating Mass* - Rear Axle	30.777 kg
Operating Mass + Rated Payload*	73.962 kg
Operating Mass + Rated Payload* - Front Axle	54.480 kg
Operating Mass + Rated Payload* - Rear Axle	19.482 kg
Note	* Calculated Weight.

Transmission

Specification	Value
Transmission Type	Cat switched reluctance electric drive
Forward - 1st (virtual)	5.8 km/h
Forward - 2nd (virtual)	9.5 km/h
Forward - 3rd (virtual)	17 km/h
Forward - 4th (virtual)	24.6 km/h
Forward - 5th (virtual)	33.4 km/h
Reverse - 1st (virtual)	6 km/h
Reverse - 2nd (virtual)	10.1 km/h
Reverse - 3rd (virtual)	18 km/h
Reverse - 4th (virtual)	26 km/h
Reverse - 5th (virtual)	32.9 km/h

Hydraulic System - Lift/Tilt

Specification	Value
Lift/Tilt System - Circuit	Electro Hydraulic Controls
Lift/Tilt System - Pump	Variable Displacement Piston
Maximum Flow	479 L/min
Relief Valve Setting - Main	31.700 kPa
Lift Cylinder - Bore	190 mm
Lift Cylinder - Stroke	1.011 mm
Tilt Cylinder - Bore	270 mm
Tilt Cylinder - Stroke	458 mm

Hydraulic Cycle Times

Specification	Value
Raise	9 s
Dump	2.8 s
Lower, Empty, Float Down	3.5 s
Total Cycle Time	15.3 s

Bucket Capacities

Specification	Value
Bucket Capacities	7.4-9.8 m³ (9.7-12.8 yd³)
Dump Bucket - 1 - Standard Bucket	7.4 m³
Dump Bucket - 2	8.6 m³
Dump Bucket - 3	9.2 m³
Dump Bucket - 4	9.8 m³

Turning Dimensions

Specification	Value
Outside Clearance Radius**	7.270 mm
Inner Clearance Radius**	3.391 mm
Axle Oscillation	8°
Articulation Angle	42.5°
Note	** Clearance dimensions are for reference only.

Tires

Specification	Value
Tire Size	29.5 R29

Service Refill Capacities

Specification	Value
Engine Crankcase	52 l
Propulsion Motor/Drop Box Oil	68 l
Hydraulic Tank	338 l
Cooling System (Engine Radiator)	95 l
Cooling System (Drive Motor - secondary)	32 l
Front Differential and Final Drives - With Axle Oil Cooling System	140 l
Rear Differential and Final Drives - With Axle Oil Cooling System	154 l
Fuel Tank	660 l
DEF Tank	34 l

Standards

Specification	Value
Standards	ISO 3471:2008 ROPS; ISO 3449:2005 FOPS

Electrical

12V Power Supply in Cab
Alternator, 150-amp
Auxiliary Start Receptacle
Battery Disconnect Switch, Ground Level
Diagnostic Connector
Electric Starting, 24V
E-stop (Illuminated):
– Rear Right Hand Side
– Rear Left Hand Side
External LED Lighting System, Front, Rear, Stop – Brake – Tail Light Dual LED
Low Maintenance Batteries

Operator environment

Operator’s Station, Enclosed ROPS/FOPS:
– Air Conditioning
– Cab Pressurizer and Filter
– Radio Ready Compartment for Radio and Speakers
Cup Holder and Storage Compartments
Cat® Color Multi Purpose Display (CMPD)
Electric Horns
Guard, Rear Side Quarter Window
Operator Presence System (Auto Park Brake)
Door Latch Monitoring
Electro-Hydraulic Implement Controls, Single Joystick
Push Button Panel for Lights
Seats:
– Suspension Seat, Vinyl
Adjustable Arm Rest and Knee Pads
Seat Belt Monitoring
Retractable Seat Belt
STIC Steering
Secondary Steering

Power train

Cat C15 Air-to-Air Aftercooler (ATAAC) Diesel Engine, 6-Cylinder
Engine Options:
– Engine, Tier 2 Equivalent
Catalytic Exhaust Purifier/Muffler Group
Cat Switched Reluctance Electric Generator and Pump Drive
Cat Switched Reluctance Drive Motor
Cat Integrated Powered Electronics
Brakes, Fully Hydraulic Enclosed Wet Multiple – Disc with Cooling (SAFR™)

Technology

Auto Retarder with Grade Control
Product Link Elite

Other equipment

Tire Arrangements:
– Tire, 29.5R29**2 VSMS2 L5S L2A Bridgestone
Flat Fold Handrails

Electrical

Lighting – Loading
Service Bay Light

Operator environment

Operator’s Station, Enclosed ROPS/FOPS:
– Cab Pressurizer and Filter (HEPA)
Cameras, Color Forward and Rear Facing
Dual Pane Windows
Seats:
– Suspension Seat Tee, Vinyl
– Suspension Seat Air, Vinyl
Reversible Steering Return to Dig

Power train

Engine Options:
– Engine, EU Stage V
Diesel Particulate Filter (DPF) (flow through)
Fast Fill and S·O·S points

Technology

Traction Control
Auto Dig
Tire Pressure Monitoring
Command for Underground
Payload Control System
Remote Control Interface (excludes transmitter and receiver)

Other equipment

Remote Recover Hook and Bar
Tire Arrangements:
– Tire, 29.5R29**2 VMDL L5 L2A Bridgestone
Bucket, Various Sizes, Dump (7.4 m³ to 9.8 m³ [9.7 yd³ to 12.8 yd³])
GET and Wear Package Options
Centralized or Auto Lube Systems
Wheel Chocks
Rear Protection – Bat Wings

Download technical specifications

Learn more information about the Cat R2900 XE Underground Diesel-Electric LHD Loader.

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Underground mining load haul dump (lhd) loaders

Cat R2900 XE (Diesel-Electric)

Feature and benefits

Safety

Operator comfort & control

Productivity & performance

Cleaner and more powerful

Buckets and get

Reliability & durability

Serviceability

Technology

Sustainability

Technical specification

Engine

Operating Specifications

Weights

Transmission

Hydraulic System - Lift/Tilt

Hydraulic Cycle Times

Bucket Capacities

Turning Dimensions

Tires

Service Refill Capacities

Standards

Electrical

Operator environment

Power train

Technology

Other equipment

Electrical

Operator environment

Power train

Technology

Other equipment

Download technical specifications

Media gallery

Frequently compared machines

Service Solutions

Warranty & Guarantee

Technology

Financing

GET IN TOUCH WITH OUR SALES TEAM

Speak with our local experts

GET IN TOUCH WITH
OUR SALES TEAM