Feature Comparison
|
Set
|
Mobility
|
Steering
|
Boom
|
Slewing
|
Hoist
|
Outriggers
|
Engine
|
855
|
4 wheels, 2
axles
|
No
|
Rack gear
driven luffing and telescoping via crank and ratchet
|
360°
manual on 4x4 turntable |
Crank driven
|
Manual at
four corners
|
No
|
8054
|
4
wheels,
2 axles
|
No
|
Worm
driven
luffing via crank
|
360°
gear
driven on axle
|
Motorized
|
No
|
No
|
8074
|
Stationary
|
No
|
Gear driven
luffing and jib rotation via cranks and flex system
|
360°
gear driven on turntable |
Crank driven
|
No
|
No
|
8258
|
8
wheels,
4 axles
|
4
wheel
rack and pinion
|
Motorized
luffing
and folding, manual telescoping
|
360°
motor
driven on turntable |
Crank
driven
via
ratchet |
Motorized
at
four corners, manual snap over center
|
V-8
driven
by rear wheels
|
8270
|
4
wheels,
2 axles
|
No
|
Worm
driven
luffing via crank, manual telescoping |
360°
manual
on axle pin |
Crank
driven
|
Front
and
real manual snap over center
|
No
|
8288
|
Treads
|
No
|
Cable
driven
luffing
via ratchet
|
360°
manual
on turntable |
Crank
driven
via
ratchet
|
No
|
No
|
| 8421
|
8
wheels,
4 axles with differential on 3rd axle
|
6
wheel
rack and pinion
|
Pneumatic
luffing,
motorized double telescoping
|
360°
manual
on turntable |
Motorized
|
Gear
driven
at four corners snap over center
|
V-6
driven
by 3rd axle
|
| 8436
|
6
wheel,
2
axles with differential on rear
|
Front
wheel
rack
and pinion
|
Pneumatic
folding
on 2 arms, manual telescoping
|
300°
gear
driven on turntable, limited by pneumatics |
No
|
No
|
V-6
driven
by
rear wheels
|
| 8460
|
6
wheels,
3 axles
|
4
wheel
rack and pinion
|
Pneumatic
luffing,
gear driven telescoping via crank
|
360°
gear
driven on turntable |
Crank
driven
via ratchet
|
Gear
driven
at four corners snap over center |
No
|
| 8854 |
4
wheel,
2
axles
|
Front
wheel
rack
and pinion
|
Pneumatic
luffing,
gear driven telescoping via crank
|
180°
gear
driven on 4x4 turntable, limited by pneumatics |
Crank
driven
via
ratchet |
Gear
driven
at
rear corners snap over center
|
No
|
8292
|
6
wheels,
3 axles
|
Front
wheel
rack and pinion
|
Motorized
articulated
basket lift, manual telescoping
|
360°
motor
driven on turntable
|
No
|
No
|
No
|