General Specification
CB-8R Bolter
Hydraulics
System design
Drilling
Feed rotation
Open Center
Joy TSRU rotary drill
360° rotary actuator
Feed extend
Side shift
Feed Index
47” feed advance
119” side shift travel
60° drilling/bolter feeds index
Outriggers
Steer cylinder
Hydraulic tank volume
Hydraulic cooling
30” stroke
One (1), double acting, single stage
120 litres
31.7 USG
Air to oil cooler
Brake system - Service brakes are enclosed spring-applied,
hydraulically released, liquid cooled multi-disk on all four wheel ends.
The service brakes also function as emergency and park brakes.
Brakes will apply upon loss of hydraulic pressure or electrical power.
Weights
Operating weight
12,475 kg
27,500 lbs
Electrical equipment
Cable reel
Driving speeds forward and reverse (0% grade) loaded
Tram speed
8.0 km/h
5 mph
Main electric panel
Starter
Electrical system drive
Electric motor output
Driving and working lights
50 HP
Cavotech - 120 amp - 350’
cable capacity
Stainless steel
Y Delta start with overload protection
2 front working lights,
2 rear driving lights
Dust collector
Axles
Front and rear
Differentials, front
Differentials, rear
Brakes
Tires size
Type
Hydrostatic wheel end motors
n/a
n/a
Wheel end spring applied
10:00 x 20 solid tires
Walinga 614CV20 HP
Structural
Frame
Material
Single frame with steel axle
Steel
2 | Joy Global | Joy CB-8R bolter specification
15°
Tilt
D
D
G
C
E
B
A
Overall dimensions
A Tramming length
F
F
6878 mm
271 in
673 mm
26 in
B
Length - rear axle
to bumper
C
Length
between axles
3636 mm
143 in
D
Maximum
tram height
3123 mm
123 in
E Maximum width
3962 mm
156 in
F
Feed side
shift from center
1219 mm
48 in
G
Height
ground clearance
305 mm
12 in
Options
Bolt rack for 120 bolts and plates
Bolt storage
Bit storage
Product designs, specifications and/or data in this document are provided for informational purposes only and are not warranties
of any kind. Product designs and/or specifications may be changed at any time without notice. The only warranties that apply to
sales of products and services are Joy Global’s standard written warranties, which will be furnished upon request.
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