Friction Clutches

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M-type modular design "TORQMASTER"

(2, 4) Friction Discs
(3) Separator Plates
(5) Pressure Plates
(6) Springs

Torqmaster Hub Series

14 Series Hubs
35 Series Hubs
44 Series Hubs
55 Series Hubs

BYP6 Series Hubs
BYP8 Series Hubs
Walterscheid 2400 Series Hubs
Walterscheid 2500 Series Hubs

2 Styles of Torqmaster Clutches : 1) Standard Friction only, and 2) Overrunning Friction combination

#2, #4) FRICTION DISCS

Part # Outside Distance

970-7000 6.20"

970-9000 7.95"

970-0153 6.02"

970-4140 5.12"

970-4160 6.3"

970-6000 5.25"

#3) SEPARATOR PLATES

Standard Part # Outside Diameter

990-7000 6.20"

990-9000 8.07"

Overrunning Part # Outside Diameter

991-7000 6.20"

991-9000 8.07"

#5) PRESSURE PLATES

Part # Outside Diameter Clutch OD

80311-1000 ? 7"

80301-1000 ? 9"

#6) SPRINGS

Part # Outside Diameter Thickness

987-9000 6.188" 0.138"

98712000 6.188" 0.158"

98715000 6/188" 0.169"

98718000 6.188" 0.189"

98910000 8.00" 0.158"

98915000 7.81" 0.169"

98918000 7.87" 0.189"

98921000 7.75" 0.89"

OVERRUNNING REPAIR KIT

Part # 980-7000

Quantity Component

1 Overrunning Collar

2 Dogs

2 Leaf Springs

1 Wave Spring

1 Washer

1 Retaining Ring

1 Instructions

HUBS

14 Series Torqmaster Hubs

Standard Part # Overrunning Part # Bore (B)

Clamp Type

817-1406 818-1406 1.375-6

817-1421 818-1421 1.375-21

817-1420 818-1420 1.75-20

Autolock Type

820-1406 821-1406 1.375-6

820-1421 821-1421 1.375-21

820-1420 821-1420 1.75-20

Straight Type

825-1420 826-1420 1.25 round

825-1422 826-1422 1.375 round

35 Series Torqmaster Hubs

Standard Part # Overrunning Part # Bore (B)

Clamp Type clamp kit # 06-13492

817-3506 818-3506 1.375-6

817-3521 818-3521 1.375-21

817-3520 818-3520 1.75-20

817-3524 818-3524 1.50 round

Autolock Type

820-3506 821-3506 1.375-6

820-3521 821-3521 1.375-21

820-3520 821-3520 1.75-20

Straight Type

825-3520 826-3520 1.25 round

825-3522 826-3522 1.375 round

825-3524 826-3524 1.50 round

825-3528 826-3528 1.75 round

44 Series Torqmaster Hubs

Standard Part # Overrunning Part # Bore (B)

Clamp Type clamp kit # 06-13492

817-4406 818-4421 1.375-6

817-4421 818-4421 1.375-21

817-4420 818-4420 1.375-20

817-4424 1.50 round

Autolock Type

820-4406 821-4406 1.375-6

820-4421 821-4421 1.375-21

820-4420 821-4420 1.75-20

Straight Type

825-4420 826-4420 1.25 round

825-4422 826-4422 1.375 round

825-4432 2.00 round

55 Series Torqmaster Hubs

Standard Part # Overrunning Part # Bore (B)

Clamp Type clamp kit # 06-13492

817-5506 818-5506 1.375-6

817-5521 818-5521 1.375-21

817-5520 818-5520 1.75-20

817-5527 818-5527 1.75-27

80341-1009 38-30077 1.75-6

Autolock Type

820-5506 821-5506 1.375-6

820-5521 821-5521 1.375-21

820-5520 821-5520 1.75-20

Straight Type

825-5522 826-5522 1.375 round

825-5528 826-5528 1.75 round

825-5532 2.00 round

BYP Size 6 Torqmaster Hubs (30.2x92)

Standard Part # Overrunning Part # Bore (B)

Clamp Type

817-8606 818-8606 1.375-6

817-8621 818-8621 1.375-21

817-8620 818-8620 1.75-20

817-8628 818-8628 1.75-6

Straight Type

825-8622 826-8622 1.375 round

825-8624 826-8624 1.5 round

BYP Size 8 Torqmaster Hubs (35x106.5)

Standard Part # Overrunning Part # Bore (B)

Clamp Type

817-6806 818-6806 1.375-6

817-6821 818-6821 1.375-21

817-6820 818-6820 1.75-20

817-6828 818-6828 1.75-6

Straight Type

825-6822 826-6822 1.375 round

Walterscheid 2400 Torqmaster Hubs (32x76)

Standard Part # Overrunning Part # Bore (B)

Clamp Type

817-7606 818-7606 1.375-6

817-7621 818-7621 1.375-21

817-7620 818-7620 1.75-20

Straight Type

825-7622 826-7622 1.375 round

825-7628 826-7628 1.75 round

Walterscheid 2500 Torqmaster Hubs (36x89)

Standard Part # Overrunning Part # Bore (B)

Clamp Type

817-7906 818-7906 1.375-6

817-7921 818-7921 1.375-21

817-7920 818-7920 1.75-20

Straight Type

825-7922 826-7922 1.375 round

825-7928 826-7928 1.75 round

CLUTCH PACKS

Standard Part # Overrunning Part # Torque in lbs. Diameter A

570-9000 571-9000 9,000 7 "

57012000 57112000 12,000 7 "

57015000 57115000 15,000 7 "

57018000 57118000 18,000 7 "

59010000 59010000 10,000 9.36 "

59015000 59115000 15,000 9.36 "

59018000 59118000 19,000 9.36 "

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Drive Line Service of Fresno

3494 E Date Ave
Fresno, CA 93725

Phone 800.824.0706 559.266.1673

Drive Line Service of Redding

6841 Eastside Rd
Redding, CA 96001
Phone 530.241.8661

Drive Line Service of West Sacramento

704 Houston St
West Sacramento, CA 95691
Phone 800.332.2800 916.371.3332

Friction Clutches

M-type modular design "TORQMASTER"

#2, #4) FRICTION DISCS

#3) SEPARATOR PLATES

#5) PRESSURE PLATES

#6) SPRINGS

OVERRUNNING REPAIR KIT

HUBS

14 Series Torqmaster Hubs

35 Series Torqmaster Hubs

44 Series Torqmaster Hubs

55 Series Torqmaster Hubs

BYP Size 6 Torqmaster Hubs (30.2x92)

BYP Size 8 Torqmaster Hubs (35x106.5)

Walterscheid 2400 Torqmaster Hubs (32x76)

Walterscheid 2500 Torqmaster Hubs (36x89)

CLUTCH PACKS