R2900G Underground Mining Loader

Overview

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.

Key Features

More Comfort. More Performance. More Versatility.

Operator Favorite

Comfort, handling and ride quality combine with integrated, effortless controls to maximize efficiency

Technology-Ready

For remote operation and machine health monitoring solutions

Built to Last

Rugged construction and easy maintenance deliver long life with low operating costs

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Specifications

Engine Model	Cat® C15
Engine Power - Tier 3 Engine - ISO 14396:2002	401 hp
Engine Power - VR Engine - ISO 14396:2002	401 hp
Bore	5.4 in
Stroke	6.8 in
Displacement	927.9 in³
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 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 (7.05-7.09 lb/gal @ 59° F) and fuel inlet temperature 40° C (104° F).
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 Capacity	37920 lb
Gross Machine Mass	155095 lb
Static Tipping Load - Straight Ahead - Lift Arms Horizontal	88015 lb
Static Tipping Load - Full Turn - Lift Arms Horizontal	75109 lb
Breakout Force - SAE	60298 lb

Operating Mass*	110692 lb
Operating Mass* - Front Axle	50832 lb
Operating Mass* - Rear Axle	59860 lb
Operating Mass + Rated Payload*	148611 lb
Operating Mass + Rated Payload* - Front Axle	110716 lb
Operating Mass + Rated Payload* - Rear Axle	37895 lb
Note	*Calculated Weight.

Forward - 1	3.4 mile/h
Forward - 2	6 mile/h
Forward - 3	10.7 mile/h
Forward - 4	18.5 mile/h
Reverse - 1	4.1 mile/h
Reverse - 2	7.3 mile/h
Reverse - 3	13 mile/h
Reverse - 4	22 mile/h

Raise	9.2 s
Dump	3.4 s
Lower, Empty, Float Down	3.1 s
Total Cycle Time	15.7 s

Bucket Capacity	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

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

Tire Size	29.5 × 29

Engine Crankcase	9 gal (US)
Transmission	16.4 gal (US)
Hydraulic Tank	37 gal (US)
Cooling System	19.8 gal (US)
Front Differential and Final Drives	31.4 gal (US)
Rear Differential and Final Drives	33.5 gal (US)
Front Differential and Final Drives - With Axle Oil Cooling System	42 gal (US)
Rear Differential and Final Drives - With Axle Oil Cooling System	44.1 gal (US)
Fuel Tank - Dual	376.4 gal (US)