M916 M920 wheelbase???????

are they the same? very important to my next purchase. thanks

Nope, M920 has an extra axle.

I think the M916 is 186 inches, the M920 is 211 inches.

from TM 9-2320-273-10

Minimum turning diameters, curb to curb, are listed below:
M915 53.5 feet (16.31 m)
M916 80.0 feet (24.4 m)
M917 89.5 feet (27.3 m)
M918 80.0 feet (24.4 m)
M919 89.5 feet (27.3 m)
M920 89.5 feet (27.3 m)


DIMENSIONS
Length (overall, less pintle hook and lifting shackle)
M915 268.50 in. (6.82 m)
M916 294.30 in. (7.48 m)
M917 350.60 in. (8.90 m)
M918 350.60 in. (8.90 m)
M919 374.40 in. (9.51 m)
M920 319.30 in. (8.11 m)

Width (overall)
ALL 96.75 in. (2.46 m)

Height
M915 134.63 in. (3.42 m) (over stack – empty)
M916 142.00 in. (3.61 m) (over stack – empty)
M917 141.00 in. (3.6 m) (overall)
M918 142.00 in. (3.61 m) (over stack – empty)
M919 142.00 in. (3.61 m) (over stack – empty)
M920 142.00 in. (3.61 m) (over stack – empty)

Height (reduced, no load)
M915 114.63 in. (2.91 m) (over horns –empty)
M916 128.00 in. (3.25 m) (over horns – empty)
M917 Not reducible
M918 128.00 in. (3.25 m) (over horns – empty)
M919 128.00 in. (3.25 m) (over horns – empty)
M920 128.00 in. (3.25 m) (over horns – empty)

Ground Clearance (under rear walking beam bracket) (empty)
M915 10.25 in. (26.03 cm)
M916 11.62 in. (29.51 cm)
M917 12.00 in. (30.48 cm)
M918 11.62 in. (29.51 cm)
M919 12.00 in. (30.48 cm)
M920 11.62 in. (29.51 cm)

Wheelbase
M915 168.25 in. (4.30 m)
M916 186.00 in. (4.72 m)
M917 211.00 in. (5.36 m)
M918 186.00 in. (4.72 m)
M919 211.00 in. (5.36 m)
M920 211.00 in. (5.36 m)

Ha, I was right.

that is all i needed to know. looks like a M920 it is. thanks fellas.

now you better buy one or were going to kick you out.

oh i will, i have a whole in my pocket and it has M920 written all over it. just getting all the other logistics for my build in place, ie where to put it. lol and it is on.