SERIAL NUMBERS
In order to ensure that supplied replacement parts match existing components, The David Round Company generally requires the serial number(s) for The David Round Company equipment being serviced. Please indicate the serial number for the unit(s) being serviced below. Please note that any serial number may include a -1, -2, -A, -B, etc. extension at the end of the true serial number to indicate that the unit being serviced was part of a multi-unit order.
The serial number for all units produced after January 1, 2000 is a five-digit number as follows:
WIRE ROPE HOISTS
LO-HED™ M55TM
717_ _._ _ A _ _ _ _
or A _ _ _ _ _
710 _ _._ _ B _ _ _ _ or
B _ _ _ _ _
HC _ _ _ or
HC _ _ _ _ C _ _ _ _ or
C _ _ _ _ _
CH _ _ _ _ D _ _ _ _ or
D _ _ _ _ _
C _ _ _ _ _ H E _ _ _ _ or
E _ _ _ _ _
AA _ _ _ _ CA _ _ _ _ or
CA _ _ _ _ _
AB _ _ _ _
AH _ _ _ _
AJ _ _ _ _
The format for Serial number descriptions for Winches made prior to Jan 1, 2000 are as follows:
WINCHES
M55TM ROCKET 202 SERIES
A _ _ _ _ or
A _ _ _ _ _ R _ _ _ _ or
R _ _ _ _ _ SR _ _ _ _ or
SR _ _ _ _ _
B _ _ _ _ or
B _ _ _ _ _ 5 _ _ _ _ _ JR _ _ _ _ or
JR _ _ _ _ _
The format for Serial number descriptions for Tractor Drives made prior to Jan 1, 2000 are as follows:
RAILRUNNER™ TRACTOR DRIVES
717 _ _._ _
710 _ _._ _
HC _ _ _ or
HC _ _ _ _
RR _ _ _ _ or
RR _ _ _ _ _
All products are made in the U.S.A.