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R2900G Underground Mining Loader

R2900G Underground Mining Loader

At a Glance

Engine Model
Cat® C15
Gross Power - SAE J1995
409 HP
Nominal Payload Capacity
37920 lb
110692 lb
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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.


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Engine Model Cat® C15
Gross Power - SAE J1995 409HP
Bore 5.4in
Stroke 6.8in
Displacement 927.9in³
Rated Power 1800r/min
Gross Power - Tier 3 Engine - SAE J1995 409HP
Gross Power - VR Engine - SAE J1995 409HP

Operating Specifications

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Nominal Payload Capacity 37920lb
Gross Machine Mass 155095lb
Static Tipping Load - Straight Ahead - Lift Arms Horizontal 88015lb
Static Tipping Load - Full Turn - Lift Arms Horizontal 75109lb
Breakout Force - SAE 60298lb


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Empty* 110692lb
Loaded* 148611lb
Empty - Front Axle 50832lb
Empty - Rear Axle 59860lb
Loaded - Front Axle 110716lb
Loaded - Rear Axle 37895lb
Note *Calculated Weight.

Hydraulic Cycle Times

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

Turning Dimensions

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


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


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Tire Size 29.5 × 29 34 PLY VSMS


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Standards ROPS/FOPS Certified Cab

Bucket Capacities

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Bucket Capacities 6.3-8.9 m3 (8.2-11.6 yd3)
Dump Bucket - 1** 8.2yd³
Dump Bucket - 2** 9.4yd³
Dump Bucket - 3** 10.9yd³
Dump Bucket - 4** 11.6yd³
Note **High penetration bucket versions also available.

Service Refill Capacities

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