R2900 XE (Diesel-Electric)
R2900 XE Diesel-Electric - 2021, Global
Overview
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.
Specifications
Units:
| Engine Model | Cat® C15 |
| Engine Power - Stage V Engine - ISO 14396:2002 | — |
| Nominal Payload Capacity | — |
Benefits & Features
SAFETY
- 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.
OPERATOR COMFORT & CONTROL
- 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.
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) 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
September 10, 2024
Specifications
Units:
| Engine Model | Cat® C15 |
| Engine Power - Stage V Engine - ISO 14396:2002 | — |
| Engine Power - Tier 2/Stage II Engine - ISO 14396:2002 | — |
| Bore | — |
| Stroke | — |
| Displacement | — |
| 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% |
| Nominal Payload Capacity | — |
| Gross Machine Mass | — |
| Shipping Weight | — |
| Static Tipping Load - Straight Ahead - Lift Arms Horizontal | — |
| Static Tipping Load - Full Turn - Lift Arms Horizontal | — |
| Breakout Force - Lift (ISO) | — |
| Breakout Force - Tilt (ISO) | — |
| Operating Mass* | — |
| Operating Mass* - Front Axle | — |
| Operating Mass* - Rear Axle | — |
| Operating Mass + Rated Payload* | — |
| Operating Mass + Rated Payload* - Front Axle | — |
| Operating Mass + Rated Payload* - Rear Axle | — |
| Note | * Calculated Weight. |
| Transmission Type | Cat switched reluctance electric drive |
| Forward - 1st (virtual) | — |
| Forward - 2nd (virtual) | — |
| Forward - 3rd (virtual) | — |
| Forward - 4th (virtual) | — |
| Forward - 5th (virtual) | — |
| Reverse - 1st (virtual) | — |
| Reverse - 2nd (virtual) | — |
| Reverse - 3rd (virtual) | — |
| Reverse - 4th (virtual) | — |
| Reverse - 5th (virtual) | — |
| Lift/Tilt System - Circuit | Electro Hydraulic Controls |
| Lift/Tilt System - Pump | Variable Displacement Piston |
| Maximum Flow | — |
| Relief Valve Setting - Main | — |
| Lift Cylinder - Bore | — |
| Lift Cylinder - Stroke | — |
| Tilt Cylinder - Bore | — |
| Tilt Cylinder - Stroke | — |
| Raise | — |
| Dump | — |
| Lower, Empty, Float Down | — |
| Total Cycle Time | — |
| Bucket Capacities | 7.4-9.8 m³ (9.7-12.8 yd³) |
| Dump Bucket - 1 - Standard Bucket | — |
| Dump Bucket - 2 | — |
| Dump Bucket - 3 | — |
| Dump Bucket - 4 | — |
| Outside Clearance Radius** | — |
| Inner Clearance Radius** | — |
| Axle Oscillation | 8° |
| Articulation Angle | 42.5° |
| Note | ** Clearance dimensions are for reference only. |
| Tire Size | 29.5 R29 |
| Engine Crankcase | — |
| Propulsion Motor/Drop Box Oil | — |
| Hydraulic Tank | — |
| Cooling System (Engine Radiator) | — |
| Cooling System (Drive Motor - secondary) | — |
| Front Differential and Final Drives - With Axle Oil Cooling System | — |
| Rear Differential and Final Drives - With Axle Oil Cooling System | — |
| Fuel Tank | — |
| DEF Tank | — |
| Standards | ISO 3471:2008 ROPS; ISO 3449:2005 FOPS |
Benefits & Features
SAFETY
- 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.
OPERATOR COMFORT & CONTROL
- 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.
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) 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
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 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.
BUCKETS AND GET
- 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.
RELIABILITY & DURABILITY
- 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.
SERVICEABILITY
- 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.
TECHNOLOGY
- 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.
SUSTAINABILITY
- 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.
Data not available.
Standard Equipment
- 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):<br>– Rear Right Hand Side<br>– 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:<br>– Air Conditioning<br>– Cab Pressurizer and Filter<br>– 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:<br>– 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:<br>– 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:<br>– Tire, 29.5R29**2 VSMS2 L5S L2A Bridgestone
- Flat Fold Handrails
Optional Equipment
- ELECTRICAL
- Lighting – Loading
- Service Bay Light
- OPERATOR ENVIRONMENT
- Operator’s Station, Enclosed ROPS/FOPS:<br>– Cab Pressurizer and Filter (HEPA)
- Cameras, Color Forward and Rear Facing
- Dual Pane Windows
- Seats:<br>– Suspension Seat Tee, Vinyl<br>– Suspension Seat Air, Vinyl
- Reversible Steering Return to Dig
- POWER TRAIN
- Engine Options:<br>– 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:<br>– 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