Volvo G970 User Manual
Page 18
18
G970
G976
G990
Tandems
Depth
in (mm)
8.9 (226,5)
8.9 (226,5)
8.9 (226,5)
Height
in (mm)
24.25 (616)
24.25 (616)
24.25 (616)
Thickness
inner wall
in (mm)
1 (25)
1 (25)
1 (25)
outer wall
in (mm)
.78 (20)
.78 (20)
.78 (20)
Center distance
in (mm)
61 (1 550)
61 (1 550)
66 (1 675)
Drive chain pitch
in (mm)
2 (51)
2 (51)
2 (51)
Oscillation
degrees ±
15º
15º
15º
Differential / Final drive
Model
Volvo APR90
Volvo APR90
Volvo APR90
Planetary fi nal reduction with an operator controlled wet multiple disc lock/unlock differential.
Wheels & tires (Standard equipment)
Tire size
14:00 x 24, G-2
14:00 x 24, G-2
16:00 x 24, G-2
Ply rating (PR)
12
12
12
Rim size
in (mm)
10 (254)
One piece rim
10 (254)
Three piece rim
10 (254)
One piece rim
Bolt-on rims interchangeable between front and rear
Yes
No
Yes
Front axle and articulation
Wheel lean degrees R & L
18º
18º
18º
Oscillation degrees up & down
16º
16º
16º
Ground clearance
in (mm)
23.2 (590)
23.2 (590)
24.2 (615)
Minimum turning radius using front axle steering,
articulation, wheel lean and unlocked differential
ft (mm)
25'3" (7 700)
25'1" (7 640)
26'9" (8 150)
Steering arc
degrees
50º
50º
50º
Frame articulation angle
degrees
21º
21º
21º
Anti-drift lock valve ensures stable operation. Articulation lock standard.
Hydrostatic power steering of front wheels incorporating two steering cylinders. Meets SAE J1511 FEB. 94, ISO 5010:1992 with optional secondary steering.
Brakes
Service Brakes: Foot operated
Fade resistant, hydraulically actuated, wet multiple disc service brakes located at the 4 tandem drive wheels are fully sealed and maintenance free.
System features crossover dual braking circuits for uniform braking on both sides of the grader. Includes reserve power assist and operator warning system
(visual and audible).
Parking Brake
Spring applied hydraulically released enclosed wet multiple disc type parking brake in fi nal drive. Effective on all 4 tandem drive wheels.
Transmission cannot be engaged with park brake on.
Braking systems comply to SAE J/EN ISO 3450:1996.
Volvo uses asbestos free brake components.
036-447 D9 Brochure Q4.indd 19
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