RELIABLE DRIFTER.

The HPR4519 and HPR5123 drifters provide low cost of ownership and reliability through a simple design with high strength materials. Auto lube system along with field serviceability increases productivity.

CAROUSEL ROD CHANGER.

The six rod carousel holds 45 mm and 51 mm diameter rods with a multi-pass hole depth of 102.5’ (31 m). The precise positioning function indexes and locks, eliminating switches and sensors that are failure prone due to the elements and vibration. 

MORE POWER.

The power group delivers fast cycle times and maximum efficiency with a combination of 364 ft3/min (10.3 m3/min) air capacity, 300 hp (224 kW) Cat® C7.1 engine and an oversized cooler to keep all systems operating at optimal temperatures.

DURABLE COMPONENTS.

The frame and robust undercarriage provide durability for the demands of drilling and navigating rough terrain. The frame supports the upper machine weight with excellent maneuverability due to its low center of gravity, high ground clearance and independent track oscillation.

OPERATOR COMFORT.

The cab provides a quiet and comfortable work environment for drill operation. The cab features superior safety features, high visibility safety glass and responsive controls that minimize fatigue.

FAST SERVICE.

Maintenance friendly designs feature safe and efficient service access with logically located components. Caterpillar dealer service and support keep your machine up and running.

Specifications
General Specs
Hole Diameter 2.5" - 4.5" (63 - 114 mm)
Max Hole Depth 102.5" (31 m)
Engine Cat® C7.1 Tier 4
Horsepower 300 hp (224 kW)
Compressor 364 ft3/min (10.3 m3/min)
HPR5123 Drifter 31 hp (23 kW)
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Boom System
Boom Length 9' (2.7 m)
Boom Extension 5' (1.52 m)
Boom Swing 10° L to 32° R
Boom Lift Above Hor. 50°
Boom Light Below Hor. 29°
Ext. Offset Feed Table 3' (0.91 m)
Feed Swing 36° L to 32° R
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Dimensions
Operating Length 27' 5" (8.3 m)
Operating Height 30' (9.1 m)
Operating Width 10' 6" (3.2 m)
Tramming Length 34' 2" (10.4 m)
Tramming Height 12' (3.6 m)
Shipping Length 36' 9" (11.2 m)
Shipping Height 11' 4" (3.4 m)
Shipping Width 8' 6" (2.6 m)
Shipping Weight 45,500 lb (20,638 kg)
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Undercarriage
Grouser Pads 15" (380 mm)
Ground Clearance 16" (406 mm)
Track Gauge 80" (2032 mm)
High Tram Speed 2.0 mph (3.2 km/h)
Low Tram Speed 1.2 mph (1.9 km/h)
Track Oscillation ±10°
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Feed System
Steel Channels (2) 7" (177.8 m)
Pitch Roller Chain 1.5" (38.1 mm)
Gearbox Drive Force 10,000 lb (44 500 N)
Gearbox Drive Speed 121 fpm (36.9 m/min)
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Carousel Rod Changer System
Rod Length 12'/14' (3.6 m/4.3 m)
Rod Diameters 45 mm/51 mm
Starter Rod 20' (6.1 m)
Single Pass Depth 18' 6" (5.63 m)
Multi-Pass Depth 102.5' (31 m)
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HPR5123 Drifter
Output Energy 31 hp (23 kW)
Motor Torque 1,000 lbf-ft (1356 N-m)
Weight 680 lb (308 kg)
Rod Diameters 45 mm/51 mm
Blow Rate 2500-2700 bpm
Percussion Pressure 2,900 psi (200 bar)
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HPR4519 Drifter
Output Energy 25 hp (19 kW)
Motor Torque 670 lbf-ft (908 N-m)
Weight 687 lb (12 kg)
Rod Diameters 45 mm
Blow Rate 2500 - 2700 bpm
Percussion Pressue 2,900 psi (200 bar)

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