Our Recommendation

Make
PETERBILT
Model
579 On Highway GHG21 (Diesel) (EPA 2021)
Engine
DT
Year
2021-
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (DT) (Paccar MX-13)
  (a, b, c)
40.0
Engine (DT) (Cummins ISX 15 [DT])
  (d)
52.9
Engine (DT) (Paccar MX-11 [DT])
  (e, f, g)
36.5
Engine (DT) (Paccar PX-9, 8.9L, 6-cyl, DPF+SCR, 260-450hp [DT])
  (h, i, j)
27.4
Transmission (Fuller Manual 9-18 speed)
VERKOL SAE 50 TO-4 (k)
12.0 - 14.0
Transmission (Allison)
  (l)
38.0 - 45.0
Transmission (Fuller 10-speed Advantage Automated)
 
7.5
Transmission (Fuller Automated 10-18 speed)
 
13.0
Differential (Dana Spicer Single Axle 21000-26000 lbs)
VERKOL GT-8/80w90 EP (m)
17.5 - 18.9
Differential (Dana Spicer Tandem 40000-46000 lbs)
VERKOL GT-8/80w90 EP (n)
17.5 - 22.0
Differential (Meritor Single 21000-23000 lbs)
VERKOL GT-8/75w90 (o, p, q, r)
15.3 - 30.1
Differential (Meritor Tandem 40000-46000 lbs)
VERKOL GT-8/75w90 (s, t, u, v)
14.3 - 18.5
Coolant (Cummins ISX 12G)
  (w)
25.1
Coolant (Cummins ISX 15)
  (x)
Coolant (Paccar MX-11)
  (y)
51.0 - 55.0
Coolant (Paccar MX-13)
  (z)
53.0 - 57.0
Coolant (Paccar PX-9)
  (aa)
15.6

Lubricant / Capacity Notes

a.
>-15°C to 40°C
b.
Alternative recommendations, <-20°C to 40°C: CK-4 10W-40
c.
Alternative recommendations, >-10°C to >50°C: CK-4 15W-40
d.
Alternative recommendations: EO CUM 20086 10W-30
e.
>-15°C to 40°C
f.
Alternative recommendations, <-20°C to 40°C: CK-4 10W-40
g.
Alternative recommendations, >-10°C to >50°C: CK-4 15W-40
h.
>-15°C to 40°C
i.
Alternative recommendations, <-20°C to 40°C: CK-4 10W-40
j.
Alternative recommendations, >-10°C to >50°C: CK-4 15W-40
k.
Alternative recommendations: GO ETN PS386 40
l.
Alternative recommendations: ATF ALL TES389
m.
Alternative recommendations: GO DNA 256 75W-90; J2360 85W-140
n.
Alternative recommendations: GO DNA 256 75W-90; J2360 85W-140
o.
>-40°C
p.
Alternative recommendations, >-40°C: GO MTR 076M 75W-140
q.
Alternative recommendations, >-26°C: GO MTR 076D 80W-90; VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
r.
Alternative recommendations, >-12°C: GO MTR 076A 85W-140
s.
>-40°C
t.
Alternative recommendations, >-40°C: GO MTR 076M 75W-140
u.
Alternative recommendations, >-26°C: GO MTR 076D 80W-90; VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
v.
Alternative recommendations, >-12°C: GO MTR 076A 85W-140
w.
Mix ratio, 50% >-37°C
x.
Mix ratio, 50% >-37°C
y.
>-37°C
z.
>-37°C
aa.
>-37°C

General Notes

There are no notes to display for this model

Oil Change Intervals

Engine (DT) (Paccar MX-13)
Km Min
80000
Km Max
120000
Months Max
12
Hours Min
1500
Hours Max
2250
Engine (DT) (Cummins ISX 15 [DT])
Km Max
56000
Engine (DT) (Paccar MX-11 [DT])
Km Min
80000
Km Max
120000
Months Max
12
Hours Min
1500
Hours Max
2250
Engine (DT) (Paccar PX-9, 8.9L, 6-cyl, DPF+SCR, 260-450hp [DT])
Km Max
80000
Transmission (Fuller Manual 9-18 speed)
Km Max
96500
Months Max
12
Transmission (Allison)
Km Min
240000
Km Max
480000
Months Max
48
Hours Max
6000
Transmission (Fuller 10-speed Advantage Automated)
Km Max
800000
Months Max
60
Transmission (Fuller Automated 10-18 speed)
Km Max
800000
Months Max
60
Differential (Dana Spicer Single Axle 21000-26000 lbs)
Km Max
193000
Months Max
12
Differential (Dana Spicer Tandem 40000-46000 lbs)
Km Max
193000
Months Max
12
Differential (Meritor Single 21000-23000 lbs)
Km Max
800000
Months Max
48
Differential (Meritor Tandem 40000-46000 lbs)
Km Max
800000
Months Max
48
Coolant (Cummins ISX 12G)
Km Max
480000
Months Max
24
Hours Max
6000
Coolant (Cummins ISX 15)
Km Min
500000
Km Max
1000000
Hours Min
6000
Hours Max
7000
Coolant (Paccar MX-11)
Km Max
1200000
Months Max
96
Hours Max
12000
Coolant (Paccar MX-13)
Km Max
1200000
Months Max
96
Hours Max
12000
Coolant (Paccar PX-9)
Km Max
1200000
Months Max
96
Hours Max
12000