Our Recommendation

Make
GMC
Model
C Topkick C7500 Topkick Class 7 (Gasoline) (L18)
Engine
P
Year
2006-2009
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Application
Recommendation
Capacity (ltr)
Engine (P)
  (b, c)
9.4 (a)
Transmission (Manual)
 
5.7 - 11.8 (d)
Transmission (Automatic)
  (f)
14.0 - 24.5 (e)
Differential
VERKOL GT-8/75w90
10.1 - 23.2 (g)
Axle (Code: Shift Motor Lubricant & Rear axle)
 
Axle (Wheel Bearings)
VERKOL GT-8/75w90
Coolant
  (j)
22.7 / 28.5 (h, i)
Grease points
 

Lubricant / Capacity Notes

a.
Engine sump, including filter, 9.4 litres
b.
All temperatures
c.
Alternative recommendations, <-29°C: EO GNM 6094M 0W-30
d.
Gearbox refill, 5.7 - 11.8 litres
e.
Gearbox refill, 14.0 - 24.5 litres
f.
Alternative recommendations: ATF ALL TES389
g.
Differential, 10.1 - 23.2 litres
h.
Cooling system; Manual transmission, 22.7 litres
i.
Cooling system; Automatic transmission, 28.5 litres
j.
>-37°C

General Notes

There are no notes to display for this model

Oil Change Intervals

Engine (P)
Km Max
12000
Months Max
3
Transmission (Manual)
Km Max
400000
Months Max
60
Transmission (Automatic)
Km Max
240000
Months Max
48
Axle (Code: Shift Motor Lubricant & Rear axle)
Km Max
36000
Axle (Wheel Bearings)
Km Max
132000
Months Max
24
Coolant
Km Max
240000
Months Max
60
Grease points
Km Max
10000
Months Max
12