I originally found on turbosquid but the pack is no longer there, the only other places it came up was a couple other file sharing sites.

The models are good quality decent poly but not rigged or textured.

Image on the side is of the KV-2 rendered out with default lighting and default material.
3ds MAX models of ww2 tanks models included are:

BT-5
BT-7
IS-1
IS-2
IS-3
ISU-122
ISU-122s
ISU-152
KARL
KV-1
KV-1S
KV-85
SU-76M
SU-85
SU100
SU122
SU152
T-30
T-34-76
T-34-85
T-35A
T-37A
T-70
T38
T40
T50
T60
T80
BT-2
BT-5
KV-2
T-26
T-28
T-34-76