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WINDSCREEN WIPERS HEAVY DUTY
Windscreen wiper type HDM
This quiet windscreen wiper is interchangeable with previous models HDM (A, B and C). It has a thermal cut-out which will
protect the electric motor in case of excessive operating temperature. Type HDM is self-parking on either side, has 2 speeds
and is available with 2 different shaft lengths. The wiping angle is fully adjustable between 62º and 92º. To determine the
optimum wiping surface of each specific window, please see tables below for detailed specifications. All visible parts of the
mechanism are made of stainless steel and meet the EMC requirements.
Specifications
• Available for 12 or 24 Volt D.C.
• Power 75 Watt
• Weight (without arm and blade) 5 /2 lbs (2,5 kg)
1
HDM..DS Short shafts
HDM..DL Long shafts
HDMCOVER
Type Specifications
HDM12DL Heavy duty wiper motor, long shaft, adjustable wipe angle, 12V
HDM24DL Heavy duty wiper motor, long shaft, adjustable wipe angle, 24V
HDM12DS Heavy duty wiper motor, short shaft, adjustable wipe angle, 12V
HDM24DS Heavy duty wiper motor, short shaft, adjustable wipe angle, 24V
HDMCOVER Plastic cover for HDM motors
Type Description Length (mm)
Wiper arms
25
SHDA400 Stainless steel AISI 316 dual wiper arm 15 /32 - 19 /64 (401 - 486)
9
SHDA500 Stainless steel AISI 316 dual wiper arm 20 - 23 /32 (508 - 593)
11
SHDA760 Stainless steel AISI 316 dual wiper arm 24 /32 - 30 (677 - 762)
21
Wiped areas of heavy duty windscreen wiper assemblies with HDM motors
SHDA760 31.7
L: 18 1 /8” L: 22 1 /16” L: 26”
α° Min. Max. Min. Max. Min. Max. B
62 A 26 5 /8” 30” 26 5 /8” 30” 26 5 /8” 30” α
B 13 3 /4” 16 5 /8” 11 13 /16” 14 11 /16” 9 13 /16” 12 11 /16” A
C 27 7 /16” 30 7 /8” 27 7 /16” 30 7 /8” 27 7 /16” 30 7 /8”
L D
D 35 11 /16” 39 1 /16” 37 11 /16” 41” 39 5 /8” 43”
92 A 26 5 /8” 30” 26 5 /8” 30” 26 5 /8” 30”
B 9 7 /16” 11 3 /4” 7 1 /2” 9 13 /16” 5 1 /2” 7 13 /16”
C 38 3 /8” 43 1 /8” 38 3 /8” 43 1 /8” 38 3 /8” 43 1 /8”
D 35 11 /16” 39 1/ 16” 37 11 /16” 41” 39 5 /8” 43”
C
SHDA500 SHDA400
L: 18 1 /8” L: 22 1 /16” L: 26” L: 18 1 /8” L: 22 1 /16” L: 26”
α° Min. Max. Min. Max. Min. Max. α° Min. Max. Min. Max. Min. Max.
62 A 20” 23 3 /8” 20” 23 3 /8” 20” 23 3 /8” 62 A 15 13 /16” 19 1 /8” 15 13 /16” 19 1 /8” 15 13 /16” 19 1 /8”
B 8 1 /16” 10 15 /16” 6 1 /8” 9” 4 1 /8” 7” B 4 1 /2” 7 3 /8” 2 1 /2“ 5 3 /8” 9 /16” 3 7 /16” SHDA..
C 20 9 /16” 24 1 /16” 20 9 /16” 24 1 /16” 20 9 /16” 24 1 /16” C 16 1 /4” 19 3 /4” 16 1 /4” 19 3 /4” 16 1 /4” 19 3 /4”
D 29 1 /16” 32 3 /8” 31” 34 3 /8” 33” 36 5 /16” D 24 13 /16” 28 3 /16” 26 13 /16” 30 3 /16” 28 3 /4” 32 1 /8”
92 A 20” 23 3 /8” 20” 23 3 /8” 20” 23 3 /8” 92 A 15 13 /16” 19 1 /8” 15 13 /16” 19 1 /8” 15 13 /16” 19 1 /8”
B 4 13 /16” 7 3 /16” 2 7 /8” 5 3 /16” 7 /8” 3 1 /4” B 1 15 /16” 4 1 /4” - 15 /16” 2 5 /16” -2” 5 /16”
C 28 3 /4” 33 9 /16” 28 3 /4” 33 9 /16” 28 3 /4” 33 9 /16” C 22 11 /16” 27 1 /2” 22 11 /16” 27 1 /2” 22 11 /16” 27 1 /2”
D 29 1 /16” 32 3 /8” 31” 34 3 /8” 33” 36 5 /16” D 24 13 /16” 28 3 /16” 26 13 /16” 30 3 /16” 28 3 /4” 32 1 /8”
Creators of Boat Systems 283
