2021 FORD F650/750 service

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Page 268 of 390

FORD F650/750 2021  Owners Manual *Traction: The traction grades,
from highest to lowest are AA, A,
B, and C. The grades represent the
tire's ability to stop on wet
pavement as measured under
controlled conditions on specified
gov

Page 269 of 390

FORD F650/750 2021  Owners Manual C.
Maximum Load Dual lb (kg)
at psi (kPa) cold: Indicates the
maximum load and tire pressure
when the tire is used as a dual;
defined as four tires on the rear
axle (a total of six or more tires on
th

Page 270 of 390

FORD F650/750 2021  Owners Manual C.
80: Indicates the aspect ratio
which gives the tire's ratio of
height to width. Numbers of 70 or
lower indicate a short sidewall.
D. D:
 Indicates a diagonal type tire.
R:
 Indicates a radial t

Page 272 of 390

FORD F650/750 2021  Owners Manual Note:
Some spare tires operate at
a higher inflation pressure than the
other tires. For T type mini-spare
tires, see the Dissimilar spare wheel
and tire assembly information for
a description. Store a

Page 277 of 390

FORD F650/750 2021  Owners Manual WARNING: To reduce the
risk of serious injury, when
mounting replacement tires and
wheels, you should not exceed
the maximum pressure indicated
on the sidewall of the tire to set
the beads without add

Page 291 of 390

FORD F650/750 2021  Owners Manual CAPACITIES AND
SPECIFICATIONS - 6.7L DIESEL
Use oil and fluid that meets the defined
specification and viscosity grade.
If you do not use oil and fluid that meets
the defined specification and viscosi

Page 293 of 390

FORD F650/750 2021  Owners Manual Engine Oil
We recommend Motorcraft motor oil for
your vehicle. If Motorcraft motor oil is not
available, use motor oil of the
recommended viscosity grade that meets
our specification WSS-M2C171-F1. Yo

Page 295 of 390

FORD F650/750 2021  Owners Manual Materials
Specification
Name
WSS-M2C171-F1
Motorcraft® SAE 5W-40 Full Synthetic Diesel Motor
Oil(U.S.)
(Canada)
XO-5W40-5Q3SD(U.S.)
WSS-M2C171-F1
Motorcraft® SAE 15W-40 Super Duty Diesel Motor
Oil(U