GMC T-Series 2007 Owner's Manual page 286

Fuel Tank
Standard (Single)
1
Optional (Single)
2
Optional (Dual)
3
Optional (Dual)
1
Single 50-gallon (189 L) tanks. Not applicable to 4X2 vehicles with 128 inch or 140 inch wheelbases and not
applicable to 6x4 vehicles with a 152 inch wheelbase.
2
One 25-gallon (94.6 L) tank and one 50-gallon (189.2 L) tank. Available only on 4x2 vehicles with 128 inch or
140 inch wheelbases or 6x4 vehicles with a 152 inch wheelbase.
3
Two 50-gallon (189 L) tanks. Not applicable to 4X2 vehicles with 128 inch or 140 inch wheelbases and not
applicable to 6x4 vehicles with a 152 inch wheelbase.
Rear Axle – Single Speed
15040S
19060S (HPK); 21060S (HPP)
23090S (HPT)
26105S (HPA)
S110 (HD2)
286
Capacities and Specifications (cont'd)
Application
Capacities
English
50.0 gal
50.0 gal
75.0 gal
100.0 gal
21.0 pt
31.0 pt
42.5 pt
51.0 pt
15.0 pt
Metric
189.3 L
189.3 L
283.9 L
378.5 L
10.0 L
14.7 L
20.1 L
24.1 L
7.1 L