Our Recommendation

Make
BLUE BIRD
Model
A3 RE Blue Bird All American CNG (Buses)
Engine
CNG
Year
2013-2017
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Application
Recommendation
Capacity (ltr)
Engine (CNG) (Cummins ISL-G, 186-239 kW,)
 
27.6
Transmission (Allison 3000)
 
29.3 - 34.0
Differential (Meritor RS19-144, RS21-145)
  (a, b, c)
15.2
Differential (Meritor RS23-160)
  (d, e, f)
18.7
Coolant (engine only)
  (g)
12.4
Hydraulic Steering
VESTA TD 3
1.9
Front Axle Hubs (each)
VERKOL SAE 50 TO-4 (h)
1.9
Grease Points
 

Lubricant / Capacity Notes

a.
>-26°C
b.
Alternative recommendations, >-40°C: GO MTR 076M 75W-140
c.
Alternative recommendations, >-26°C: GO MTR 076B 80W-140
d.
>-26°C
e.
Alternative recommendations, >-40°C: GO MTR 076M 75W-140
f.
Alternative recommendations, >-26°C: GO MTR 076B 80W-140
g.
Mix ratio, 50% >-37°C
h.
Alternative recommendations: GO ETN PS164 50; CDS 50

General Notes

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Oil Change Intervals

Engine (CNG) (Cummins ISL-G, 186-239 kW,)
Km Max
12000
Months Max
6
Hours Max
500
Transmission (Allison 3000)
Km Max
38400
Months Max
12
Differential (Meritor RS19-144, RS21-145)
Km Max
80000
Months Max
12
Differential (Meritor RS23-160)
Km Max
80000
Months Max
12
Coolant (engine only)
Km Max
48000
Months Max
24
Hours Max
2000
Hydraulic Steering
Km Max
38400
Months Max
12
Front Axle Hubs (each)
Km Max
80000
Months Max
12