Our Recommendation

Make
PETERBILT
Model
579 4x2 8.9 (PX-9)
Engine
D
Year
2017-
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (D)
  (b, c)
27.4 (a)
Transmission (Manual)
VERKOL SAE 50 TO-4 (e, f)
12.0 - 14.0 (d)
Transmission (Automatic)
 
37.9 - 45.0 (g)
Axle (MERITOR)
1
VERKOL GT-8/80w90 EP (i, j, k, l, m)
15.3 - 30.1 (h)
2
SALDUBA 80w90 LS
3
VERKOL GT-7/80w90 EP
Axle (DANA Spicer)
1
VERKOL GT-8/80w90 EP (o, p)
17.5 - 18.9 (n)
2
SALDUBA 80w90 LS
3
VERKOL GT-7/80w90 EP

Lubricant / Capacity Notes

a.
Engine sump, including filter, 27.4 litres
b.
Preferred lubricant specification & -20°C to 40°C
c.
Alternative recommendations: CK-4 10W-30
d.
Gearbox refill, 12.0 - 14.0 litres
e.
Preferred lubricant specification
f.
Alternative recommendations: GO ETN PS386 40
g.
Gearbox refill, 37.9 - 45.0 litres
h.
Differential, 15.3 - 30.1 litres
i.
Preferred lubricant specification & >-26°C
j.
Alternative recommendations: ENGRANAJES SAE 90 EP
k.
Alternative recommendations, >-40°C: VERKOL GT-8/75w90; GO MTR 076M 75W-140
l.
Alternative recommendations, >-26°C: GO MTR 076D 80W-90
m.
Alternative recommendations, >-23°C: GO MTR 076A 85W-140
n.
Differential, 17.5 - 18.9 litres
o.
Preferred lubricant specification
p.
Alternative recommendations: GO DNA 256 75W-90; VERKOL GT-7/85w140 EP

General Notes

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Oil Change Intervals

There is no Oil Change Interval data to display for this model