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Selecting a shearer haulage system - Part 2

Staff Reporter

Shearer haulage systems — rack

System

Eicotrack

Ultratrac 2000

SuperGear Track

Jumbotrac

Ultrahaul

Pitch (mm)

126

147/151

147/151

147

126/147/151

Pull rating (kN)

700

1000

N/A

1000

800/1000/1200

Tooth profile

Near-involute

Involute

Involute

Involute

Involute/barrelled& crowned

Rack int. width (mm)

69

85

92

90

70/90

Construction

Cast

Forged

Welded

Welded

Welded

Shearer haulage systems — captivated chain

System

Dynatrac (RMI/H&B)

Rhinoride (DBT)

UTS (kN)

1250

1820

Chain size (mm)

34/45

38/42

Pitch (mm)

232

232

Originally published in the March 2001 edition of Australia's Longwalls.

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