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The R1300G 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.


Engine Model Cat® 3306B DITA Cat® 3306B DITA Less
Rated Power 2200.0 RPM 2200.0 RPM Less
Gross Power – SAE J1995 165.0 hp 123.0 kW Less
Net Power – SAE J1349 141.0 hp 105.0 kW Less
Net Power – ISO 9249 141.0 hp 105.0 kW Less
Net Power – 80/1269/EEC 141.0 hp 105.0 kW Less
Bore 4.75 in 120.7 mm Less
Stroke 6.0 in 152.4 mm Less
Displacement 640.75 in3 10.5 L Less

Operating Specifications

Nominal Payload Capacity 14991.0 lb 6800.0 kg Less
Gross Machine Operating Weight 61178.0 lb 27750.0 kg Less
Static Tipping Load Straight Ahead Lift Arms Horizontal 45360.0 lb 20575.0 kg Less
Static Tipping Load Full Turn Lift Arms Horizontal 39397.0 lb 17870.0 kg Less
Breakout Force (SAE) 26504.0 lb 12020.0 kg Less


Empty 46187.0 lb 20950.0 kg Less
Loaded 61178.0 lb 27750.0 kg Less
Empty – Front Axle 17967.0 lb 8150.0 kg Less
Empty – Rear Axle 28220.0 lb 12800.0 kg Less
Loaded – Front Axle 41050.0 lb 18620.0 kg Less
Loaded – Rear Axle 20128.0 lb 9130.0 kg Less


Forward 1 3.1 mph 5.0 km/h Less
Forward 2 5.6 mph 9.0 km/h Less
Forward 3 10.6 mph 17.0 km/h Less
Forward 4 14.9 mph 24.0 km/h Less
Reverse 1 3.1 mph 5.0 km/h Less
Reverse 2 5.0 mph 8.0 km/h Less
Reverse 3 9.3 mph 15.0 km/h Less
Reverse 4 14.3 mph 23.0 km/h Less

Hydraulic Cycle Time

Raise 5.0 Seconds 5.0 Seconds Less
Dump 2.0 Seconds 2.0 Seconds Less
Lower, Empty, Float Down 2.3 Seconds 2.3 Seconds Less
Total Cycle Time 9.3 Seconds 9.3 Seconds Less

Bucket Capacities

Bucket Capacities 2.4-3.4 m3 (3.1-4.4 yd3) 2.4-3.4 m3 (3.1-4.4 yd3) Less
Dump Bucket – 1 4.1 yd3 3.1 m3 Less
Dump Bucket – 2 3.1 yd3 2.4 m3 Less
Dump Bucket – 3 3.7 yd3 2.8 m3 Less
Dump Bucket – 4 4.4 yd3 3.4 m3 Less
Ejector Bucket 3.1 yd3 2.4 m3 Less

Turning Dimensions

Outside Clearance Radius 226.0 in 5741.0 mm Less
Inner Clearance Radius 114.7 in 2914.0 mm Less
Axle Oscillation 10.0 Degrees 10.0 Degrees Less
Articulation Angle 42.5 Degrees 42.5 Degrees Less


Tire Size 17.5 × 25 20 PLY L5S STMS 17.5 × 25 20 PLY L5S STMS Less

Service Refill Capacities

Cooling System 17.7 gal 67.0 L Less
Engine Crankcase with Filter 6.6 gal 25.0 L Less
Front Differential and Final Drives 10.0 gal 38.0 L Less
Fuel Tank 77.9 gal 295.0 L Less
Hydraulic Tank 23.2 gal 88.0 L Less
Rear Differential and Final Drives 11.1 gal 42.0 L Less
Transmission 11.9 gal 45.0 L Less


Brakes ISO 3450, AS2958.1, CAN-CSA424.30-M90 ISO 3450, AS2958.1, CAN-CSA424.30-M90 Less
Cab/FOPS ISO 3449, SAE J231, AS2294.3, EN13627 ISO 3449, SAE J231, AS2294.3, EN13627 Less
Cab/ROPS ISO 3471, SAE J1040, AS2294.2, EN13510 ISO 3471, SAE J1040, AS2294.2, EN13510 Less

Power Train – Engine

The Cat® 3306B engine is built for power, reliability and efficiency.

Power Train – Transmission

More power to the ground for greater productivity.


Cat hydraulics deliver the power and control to keep material moving.


Rugged Cat structures – the backbone of the R1300G’s durability.

Operator Comfort

Ergonomically designed for all-day comfort, control and productivity.

Loader Bucket Systems

Rugged performance and reliability in tough underground mining applications.


More time for production.

Customer Support

Cat® dealer services keep underground mining equipment productive.


Designed with safety as the first priority.

R1300G Standard Equipment

  • Alternator, 95-amp
  • Battery Disconnect Switch, Ground Level
  • Circuit Breaker, 80-amp
  • Corrosive Protection Spray
  • Diagnostic Connector
  • Electric Starting, 24-volt
  • Engine Shutdown Switch
  • External Lighting System, Front, Rear
  • Low Maintenance Batteries
  • Reversing Alarm
  • Starting and Charging System

  • Cat Electronic Monitoring System (Cat EMS)
  • Electric Horns
  • Gauges
  • Pilot Hydraulic Implement Controls, Single Joystick
  • Removable ROPS/FOPS Structure
  • STIC™ Steering
  • Suspension Tee Seat with Retractable Seat Belt

  • Cat 3306B DITA Diesel Engine, 6-Cylinder
  • Crossflow Radiator
  • Engine Air Intake Precleaner
  • Fuel Priming Aid
  • Full Hydraulic Enclosed Wet Disc Brakes (SAFR™)
  • Heat Shields
  • Manual Fuel Shut Off Tap
  • Planetary Powershift Transmission
  • Torque Converter
  • Transmission Neutralizer

  • Catalytic Exhaust Purifier/Muffler Group
  • Engine and Transmission Belly Guards
  • Fenders, Front, Rear
  • Firewall
  • Hydraulic Oil Cooler, Swing Out
  • Rear Frame Protection Wear Bars 100 × 50 mm (4 × 2 in)
  • Rims, 5-Piece
  • Semi Centralized Lubrication Points
  • Swing Out Radiator Grill
  • Tires, VSMS 17.5 × 25 20-Ply (L5S)

R1300G Optional Equipment

5 Spare Piece Rim

Alternative Tire Arrangements

Automatic Lube System

Auxiliary Start Receptacle

Brake Light

Brake Pressure Gauges

Brake Release Arrangements

  • Bucket (2.4 m3, 3.1 yd3)
  • Bucket (2.8 m3, 3.7 yd3)
  • Bucket (3.4 m3, 4.4 yd3)
  • Ejector Bucket (2.4 m3, 3.1 yd3)
  • Bucket Heel Shrouds
  • Bucket Sacrificial Wear Strip Package

Bucket Positioner, Return to Dig

Cab Protection Bars

Centralized Lube System, Manual

Draw Bar Attachment, Bolt-on

Duo Cone Seal Guards

Ejector Bucket Ready, Includes 3rd Valve with Pilot Lines Only

Electronic Access Module

Enclosed ROPS/FOPS Operator Station

Fast Fill System
  • Coolant
  • Engine
  • Fuel
  • Hydraulic
  • Transmission

Fire Extinguisher

Fire Suppression System

Front Light Protectors

Heater, Cabin

Hydraulic Tank Guard Protection Bars

Oil Sample Adapters

Payload Control System (PCS)

Radiator Guard Protection Bars

Radiator Sand Blast Guards, Not Available with Air Con Cab

Remote Activated Fire System

Remote Control Systems
  • Proportional
  • Retrieval Attachment

Reversible Steering

Ride Control System

Seat Covers

Secondary Steering System

Service Tools

A Commitment to the Mining Industry

As the demand for commodities grows, mining companies need a partner to support them in their efforts. Caterpillar is committed to being that partner.

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Mining Financial Services

Cat Financial is the single best resource for all your international mining finance needs, with capabilities to offer everything from leasing and general financing to project and structured financing.

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