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Overview

The Cat® GH800 Plow System, previously known as the GH 9-38 ve system, has been the standard plow of choice since the early 1990s and is used in seams from approximately 0.9 m (35 in) up to 2.0 m (79 in), regardless of the inclination of the seam or the hardness of the coal. Caterpillar modified this already-successful plow model to create the new technologically advanced GH800B plow, with improved design features enhancing productivity in minimum seam heights below 1.0 m (39 in). The plow body of this next-generation machine has an optimized design that allows it to load more coal onto the face conveyor and reduces the amount of cutting power wasted in the process. The GH800B plow system with 2 × 400 kW (2 × 536 hp) installed power now covers mining heights from 750 to 1550 mm (30 to 61 in).

Mining Height

Units:
Seam Range 0.8 m-2.0 m (31.5 in-79 in) 0.8 m-2.0 m (31.5 in-79 in) Less

Coal Hardness

Type of Coal Soft-hard Coal Soft-hard Coal Less

Specifications

Coal Hardness Soft-hard Coal Soft-hard Coal Less
Maximum Installed Power 2 × 400 kW (2 × 536 hp) 2 × 400 kW (2 × 536 hp) Less
Maximum Cutting Depth 0.67 ft 205.0 mm Less

Power

Maximum Installed Power 2 × 400 kW (2 × 536 hp) 2 × 400 kW (2 × 536 hp) Less
Maximum Plow Speed 600.0 ft/min 3.0 m/s Less

Technical Data

Bottom Bit Positions - Position 1 +19 mm (+0.06 ft) +19 mm (+0.06 ft) Less
Bottom Bit Positions - Position 2 –9 mm (–0.03 ft) –9 mm (–0.03 ft) Less
Bottom Bit Positions - Position 3 –22 mm (–0.07 ft) –22 mm (–0.07 ft) Less
Bottom Bit Positions - Position 4 –39 mm (–0.13 ft) –39 mm (–0.13 ft) Less
Coal Hardness Soft-hard coal Soft-hard coal Less
Cutting Depth 0.67 ft 205.0 mm Less
Maximum Drive Power 2 × 400 kW (2 × 536 hp) 2 × 400 kW (2 × 536 hp) Less
Maximum Plow Speed 600.0 ft/min 3.0 m/s Less
Maximum Seam Inclination 60° 60° Less
Mechanical Height Adjustment 180-280 mm (0.59-0.92 ft) 180-280 mm (0.59-0.92 ft) Less
Plow Heights - Height 1 750-1030 mm (2.64-3.38 ft) 750-1030 mm (2.64-3.38 ft) Less
Plow Heights - Height 2 1000-1285 mm (3.28-4.22 ft) 1000-1285 mm (3.28-4.22 ft) Less
Plow Heights - Height 3 1270-1550 mm (4.17-5.09 ft) 1270-1550 mm (4.17-5.09 ft) Less
Plow Heights - With Gobside Support - Height 1 1535-1700 mm (5.04-5.58 ft) 1535-1700 mm (5.04-5.58 ft) Less
Plow Heights - With Gobside Support - Height 2 1685-1965 mm (5.53-6.45 ft) 1685-1965 mm (5.53-6.45 ft) Less
Plow Length 8.65 ft 2636.0 mm Less
Weight - Single Plow 4385-5625 kg (10,660-12,401 lb) 4385-5625 kg (10,660-12,401 lb) Less

The Principle of Plowing

The Principle of Plowing

The Principle of Plowing

The Principle of Plowing

The Principle of Plowing

The Principle of Plowing

Plow Body

Plow Body

Plow Body

Plow Body

Plow Guide

Plow Line Pans

Plow Line Pans

Plow Line Pans

Plow Line Pans

Plow Line Pans

Plow Line Pans

Plow Roof Supports

Drive System

Drive System

Drive System

Drive System

Control System

Control System

Control System

Horizon Control

Horizon Control

Incremental Plowing

Incremental Plowing

Safety

Serviceability