LR50

CZM

CZM LR50

The LR50 is part of CZM’s Long Reach series and is mounted on a Cat® 323 Next Gen. The long reach configuration makes it ideal to applications such as sound bearing walls, transmission lines and utilities, drilling on a steep slopes, and difficult to reach holes. Kelly bar options vary from interlocking to round friction and have a standard drilling depth of 40ft with a maximum 8ft diameter.

Key Specifications

Max Torque	52,900 ft. lbs
Horse Power	172 h.p.
Weight (In Operation)	74,900 lbs.

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USMetric

Overview

Engine
Engine	CAT Tier IV	CAT Tier IV
Engine Type	7.1 ACERT	7.1 ACERT
Power	172 h.p.	128 KW

Rotary Head
Max. Torque	52,900 ft. lbs	7300 kGm
Drill Speed	17-51 rpm	17-51 rpm
Max. Spin Off	120-188 rpm	120-188 rpm

Crowd
Max. Push Force	15,140 lbs.	6,800 kgf
Max. Pull Force	27,000 lbs.	12,200 kgf

Undercarriage
Overall Length	14ft 7in	4,450 mm
Track Shoe Width	31 in	790 mm
Width	10ft 5in	3170 mm

Main Winch
Pull Force	27,200 lbs.	12,330 kgf
Wire Diameter	.79 in	20 mm
Max. Pulling Speed	330 ft/min	104 m/min

Auxiliary Winch
Pull Force	11,520 lbs	5,230 kgf
Wire Diameter	5/8 in	16 mm

Mast Inclination Range
Side	+/- 15	+/- 15
Forward	+/- 15	+/- 15
Backward	+/- 15	+/- 15

Drilling Data
Max Pile Diameter	98 inch	2,500 mm
Standard Kelly Bar Length (5 Element)	40 ft	12,200 mm
Optional 65 ft Kelly Bar (5 Element) *	65 ft	19,800 mm
Optional 80 ft Kelly Bar (5 Element) *	80 ft	24,400 mm
*Requires Mast Extension

Transport Dimension
Length	40ft 6 in	12,340 mm
Width	10 ft 5 in	3,170 mm
Height	10 ft 5 in	3,170 mm
Weight	74,900 lbs	34,200 kg

Key Specs

Max Torque	52,900 ft. lbs
Horse Power	172 h.p.
Weight (In Operation)	74,900 lbs.