Our Recommendation
- Make
- PETERBILT
- Model
- 337 4x2 6.7 (PX-7)
- Engine
- D
- Year
- 2013-
Application |
Recommendation |
Capacity (ltr) |
|
|---|---|---|---|
|
Engine (D)
(Code: Westport ISX12G)
|
(c) |
27.6 / 45.4
(a, b)
|
|
|
Engine (D)
(Code: Westport ISL G)
|
(f) |
27.6 / 45.4
(d, e)
|
|
|
Transmission (Manual)
|
1
|
VERKOL SAE 50 TO-4 (h) |
12.0 - 14.0
(g)
|
2 |
VERKOL SAE 30 TO-4 | ||
3 |
VERKOL SAE 10w TO-4 | ||
|
Differential
(40000 - 60000 lbs)
|
VERKOL GT-8/80w90 EP (j) |
17.5 - 22.0
(i)
|
|
|
Differential
(21000-23000 lbs)
|
VERKOL GT-8/75w90 (l, m, n, o) |
18.0 - 22.4
(k)
|
|
|
Differential
(21000 - 30000 lbs)
|
17.5 - 18.9
(p)
|
||
|
Differential
(40000 - 46000 lbs)
|
VERKOL GT-8/75w90 (r, s, t, u) |
14.3 - 18.5
(q)
|
|
|
Coolant
(Code: ISL-G)
|
(x) |
12.4 / 25.1
(v, w)
|
|
|
Coolant
(Code: ISX-12G)
|
(ba) |
12.4 / 25.1
(y, z)
|
|
General Notes
There are no notes to display for this model
Lubricant / Capacity Notes
- a.
- Engine sump, including filter, 45.4 litres
- b.
- Engine sump, including filter, 27.6 litres
- c.
- Alternative recommendations: EO CUM 20085 15W-40
- d.
- Engine sump, including filter, 27.6 litres
- e.
- Engine sump, including filter, 45.4 litres
- f.
- Alternative recommendations: EO CUM 20085 15W-40
- g.
- Gearbox refill, 12.0 - 14.0 litres
- h.
- Alternative recommendations: GO ETN PS386 40
- i.
- Differential, 17.5 - 22.0 litres
- j.
- Alternative recommendations: GO DNA 256 75W-90; J2360 85W-140
- k.
- Differential, 18.0 - 22.4 litres
- l.
- >-40°C
- m.
- Alternative recommendations, >-40°C: GO MTR 076M 75W-140
- n.
- Alternative recommendations, >-26°C: GO MTR 076D 80W-90; VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
- o.
- Alternative recommendations, >-12°C: GO MTR 076A 85W-140
- p.
- Differential, 17.5 - 18.9 litres
- q.
- Differential, 14.3 - 18.5 litres
- r.
- >-40°C
- s.
- Alternative recommendations, >-40°C: GO MTR 076M 75W-140
- t.
- Alternative recommendations, >-26°C: GO MTR 076D 80W-90; VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
- u.
- Alternative recommendations, >-12°C: GO MTR 076A 85W-140
- v.
- Cooling system, 12.4 litres
- w.
- Cooling system, 25.1 litres
- x.
- >-37°C
- y.
- Cooling system, 25.1 litres
- z.
- Cooling system, 12.4 litres
- ba.
- >-37°C
Oil Change Intervals
There is no Oil Change Interval data to display for this model