Caterpillar Performance Handbook, January 2017, SEBD0351-47

Roof Bolter ● Specifications

Room & Pillar

20

MODEL

RB220

Overall Length with ATRS Chassis Overall Width

7671 mm 2756 mm 2337 mm 813 mm 965 mm 1003 mm 2438 mm 2438 mm 2438 mm 150 mm 203 mm 241 mm 686 mm 737 mm 775 mm 2007 mm

25'2" 9'0.5"

Drill Boom Feed

4'4"

Minimum Tramming Height: with 28×12-15 Tires

2'8" 3'2"

with 32×12.5-15 Tires with 35×15-15 Tires

3'3.5"

ATRS Reach:

with 28×12-15 Tires with 32×12.5-15 Tires with 35×15-15 Tires with 28×12-15 Tires with 32×12.5-15 Tires with 35×15-15 Tires with 28×12-15 Tires with 32×12.5-15 Tires with 35×15-15 Tires

8'0" 8'0" 8'0"

Ground Clearance:

6" 8"

9.5"

Chassis Height:

2'3" 2'5"

2'6.5"

Wheelbase Tram Speed: Fast

6'7"

2.38 m/sec 1.19 m/sec

0-130 ft/min 0-65 ft/min

Slow

Drilling Feed Thrust (maximum)

4536 kg 420 N·m 258 N·m

10,000 lb 310 lbf-ft 190 lbf-ft

Drilling Torque (variable)

Bolt Tightening Torque (adjustable)

Steering ArticulationTotal InsideTurning Radius OutsideTurning Radius

80 degrees

2.9 m 6.5 m

9'6"

21'6"

Edition 47 20-141