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Overview

The Cat® CM445 Continuous Miner is designed for mining applications ranging from 1626 mm (64 in) up to 3810 mm (150 in) where increased weight to horsepower ratios are required for performance in hard cutting type mining conditions. The hard head-style cutter head makes the CM445 the preferred miner for hard-cutting coal, trona, and potash.

Specifications

Units:
Mining Range 1651-3480 mm (65-137 in) 1651-3480 mm (65-137 in) Less
Weight 85.7 tonnes (189,000 lb) 85.7 tonnes (189,000 lb) Less
Total Power 1185.0 hp 884.0 kW Less

Power

Cutter Head Power 670.0 hp 500.0 kW Less
Total Power 1185.0 hp 884.0 kW Less

Operating Dimensions

Maximum Reach 12.42 ft 3785.0 mm Less
Ground Clearance 9.0 in 229.0 mm Less
Length Rear Bumper to Face 28.32 ft 8631.0 mm Less
Minimum Height 59.0 in 1499.0 mm Less
Mining Range (recommended) 1651-3480 mm (65-137 in) 1651-3480 mm (65-137 in) Less

Transport Dimensions

Frame Width (over rub rails) 11.23 ft 3424.0 mm Less
Height (over cover line) 55.0 in 1394.0 mm Less
Overall Length 37.83 ft 11530.0 mm Less

Machine Weight

Weight (total) 85.7 tonnes (189,000 lb) 85.7 tonnes (189,000 lb) Less

Cutting

0 to Maximum Cut 1492-3989 mm (58.75-157 in) 1492-3989 mm (58.75-157 in) Less

Cutting Unit

Cutting Drum Diameter 44.0 in 1118.0 mm Less
Cutting Drum Width 11.75 ft 3581.0 mm Less
Cutting Power – Motors (one-hour rating) 2 × 209 kW (2 × 280 hp) 2 × 209 kW (2 × 280 hp) Less

Loading Unit

Conveyor Depth 12.0 in 305.0 mm Less
Conveyor Power – Motors (one-hour rating) 2 × 48 kW (2 × 65 hp) 2 × 48 kW (2 × 65 hp) Less
Conveyor Width 38.0 in 965.0 mm Less
Loading Capacity 14-35 tonnes/min (15-39 tons/min) 14-35 tonnes/min (15-39 tons/min) Less
Loading Method 3 finger CLA 3 finger CLA Less

Traction Unit

Crawler Assembly Length 11.65 ft 3551.0 mm Less
Crawler Chain Width 22.0 in 559.0 mm Less
Crawler Speed 0-23 m/min (0-75 ft/min) 0-23 m/min (0-75 ft/min) Less
Ground Pressure 30.7 psi 212.0 kPa Less
Traction Power – AC/VFD (one-hour rating) 2 × 82 kW (2 × 110 hp) 2 × 82 kW (2 × 110 hp) Less

Pump Unit

Pump Power – Motor (one-hour rating) 1 × 48 kW (1 × 65 hp) 1 × 48 kW (1 × 65 hp) Less

Optional Dust Suppression

Fan Power – Motor 1 × 30 kW (1 × 40 hp) 1 × 30 kW (1 × 40 hp) Less
Scrubber Assembly Top mounted Top mounted Less
Scrubber Capacity 4.7 m3/sec (10,000 ft3/min) 4.7 m3/sec (10,000 ft3/min) Less
Scrubber Type Wet bed Wet bed Less

Electrical System

Control System Processor based/radio remote control Processor based/radio remote control Less
Machine Voltage (International voltages available) 995V AC 60 Hz 995V AC 60 Hz Less

Total Installed Power

One-hour Rating without Scrubber 975.0 hp 727.0 kW Less

Mainframe


Traction


Cutter Head


Gathering Head and Conveyor


Control Systems


VFD Technology


Health and Safety


Serviceability


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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