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Parts Manual For M11, M11 Plus & ISM

Model 411/411C/D Aftermarket Kits



P/N 3804584 3804585 3804586 3800765 4089395 4955458

Description 411 kit, 12 VDC, S/L 411 kit, 24 VDC, S/L 411 kit, 24 VDC, D/L 411C kit, 12 VDC, D/L 411D kit, 12 VDC, S/L 411E kit, 12 VDC, S/L

Housing Assemblies No.



1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 17 17 17 18 19 20 21 22 23 24

P/N 4906837 4906838 4906833 4906834 4906829 4906830 4906825 4906826 3103430 3103431 4966492 4966493

Description 411 front, 12 VDC, S/L 411 rear, 12 VDC, S/L 411 front, 24 VDC, S/L 411 rear, 24 VDC, S/L 411 front, 24 VDC, D/L 411 rear, 24 VDC, D/L 411C front, 12 VDC, D/L 411C rear, 12 VDC, D/L 411D front, 12 VDC, S/L 411D rear, 12 VDC, S/L 411E front, 12 VDC, S/L 411E rear, 12 VDC, S/L

P/N 3871477 3871353 3871352 3871410 3871373 3871515 3871518 3871384 3871383 3871372 3871345 3871366 3871364 3871365 3871484 4970029 3871379 3871707 3871708 3871709 3871711 3871638 4026537 3871218 3871204 3871388 3871558 3871634

The CBrake by Jacobs™ engine retarder is designed and approved for use on several Cummins engines. Refer to the chart below for model and approved engine use. Information in this manual was current at the time of printing and is subject to change without notice or liability. Engine

411 411C 411D 411E

M11 & M11 Plus ISM 1998 - 2001 ISM 2002- 2006 ISM 2007 - Present

5 14 12 17 18 19 20

24

11

15

13

16

10



411 / 411C/ 411 D/E

Model

Refer to Cummins service information and instructional literature for specific application information.

Description Quantity

Slave piston 3 3 3 Outer slave piston spring 3 3 3 Inner slave piston spring 3 3 3 Spring retainer 3 3 3 Retaining ring 6 6 6 Master piston, 11/16 dia. 3 3 3 Flat spring 3 3 3 Plain washer 3 3 3 Button head screw 3 3 3 Control valve 3 3 3 Cont. valve spring (orange) 3 3 3 Outer control valve spring 3 3 3 Control valve collar 3 3 3 Control valve cover 3 3 3 Reset screw assembly 3 3 3 Reset screw assembly (411E ONLY) 3 Hex jam nut 3 3 3 Solenoid valve (12 V, S/L) 1 0 1 Solenoid valve (24 V, S/L) 1 0 0 Solenoid valve (24 V, D/L) 1 0 0 Solenoid valve (12 V, D/L) 0 1 0 Upper seal ring 1 0 1 Center seal ring 1 1 1 Lower seal ring 1 1 1 Ball 1 1 1 Ball check spring 1 1 1 Pipe plug 19 19 19 Solenoid harness (2 for D/L) 1 0 1

S/L = Single Lead, D/L = Double Lead, NI = Not Illustrated 

Application Notes

21 23

6

22

7 8

1

2

9

3 4 5

The exploded view shown is of the front housing. The rear housing is a “mirror” image of the front housing and contains the same components. Model 411 (M11 and M11 PLUS ENGINES) 411 M11 / M11 Plus

1

1

16 8

3

2

1

FRONT 1

1

5

REAR 9

1

6

1

4

7

Model 411C, 411D, & 411E (ISM engines)

Rear Housing

Front Housing

* 411 D/E will only have one wire per solenoid

cBRAKE BY JACOBS™ PARTS MANUAL for CUMMINS M11/M11 PLUS and ism engines

MODEL 411 (M11 and M11 PLUS ENGINES)

Attaching Parts

No. 1 2 3 4 5 6 7 8 9 10 11 12

15

22

14 16

18 20

17 19



3080759 3066257 3073952 3073972 3073974 3073975 3871404 NSS 3073976 3895626 3871667 3073977 3095626

Description Engine Attg. Parts Group 411 Rocker Adjusting Screw Hex jam nut Crosshead assembly Electrical connector Electrical connector (D/L) Oil supply tube Assy (Ill. 6 & 7) O-ring Oil supply tube Bulkhead adapter Clamp Adapter O-ring Compression seal Support clamp

Quantity

6 6 6 2 2 1 2 1 1 3 2 1 1

Quantity/Group Engine Attg. Parts Group 411C/D 411E

MODEL 411C (ISM ENGINES) MODEL 411 (ISM ENGINES)

13

P/N

21

23

13 14 15 16 17 NI NI NI 18 19 20 21 22 23 23a

3080759 3066257 3073952 3073975 3871404 NSS 3036230 3036460 3821783 3406907 3406909 68152 3063164 3406919 3161895 3102503

Rocker Adjusting Screw Hex jam nut Crosshead assembly Oil supply tube Assy (16 & 17) O-ring Oil supply tube Hex Hd Cap Screw Washer Screw, Washer Bulkhead adapter Compression Seal Support Clamp Adapter O-ring, 6-6 Support clamp, Long Dual Solenoid Harness 4 leads, 411C Dual Solenoid Harness 2 leads, 411D/E

6 6 6 1 2 1 1 1 3 2 1 1*

1 1 1

2



1*

* Be aware that you have either No. 23 or 23a, not both. Quantity/Group 411 411C/D/E



23a

Housing Attg. Parts Group Capscrew 16 Spacer Attg. Parts Group 25 3900631 Hex bolt 18 26 3084583 Spacer (die cast) 1 27 3406906 Spacer (die cast) 0 28 3871472 Gasket 1 29 3895297 Int. oil supply hose assy. 1 30 3899642 Ext. oil supply hose assy. 1 31 3406905 Int. oil supply hose assy. 0 32 3406904 Ext. oil supply hose assy. 0 4949709 Ext. oil supply hose assy. (411E Only) NSS - Not Sold Separately 24

24 MODEL 411 (M11 and M11 PLUS ENGINES)

3076055

16 18 0 1 1 0 0 1 1 1

MODEL 411C/411D (ISM ENGINES)

cBRAKE BY JACOBS™ PARTS MANUAL for CUMMINS M11/M11 Plus and ism engines



NOTES

5

cBRAKE BY JACOBS™ PARTS MANUAL for CUMMINS M11/M11 PLUS engines

Control Groups M11 Engines No.

1

2

4

HI LO

6

By

EN G BRA INE KE

3

5

1 2 3 4 5 6 NI 7

P/N

3883216 3871486 3871499 3871498 3871244 3871450 3871663 3871339 3080422



Description

Quantity/Group

Cab Control Group (CELECT™) Relay switch (CELECT) Plate, HI/LO Switch, HI/LO Dash plate, ON/OFF Toggle switch, ON/OFF Relay base Cable tie Engine control harness (CELECT™)

1 1 1 1 1 4 4 1

Control Groups ISM/ M11 Plus Engines 7

Quantity/Group No. P/N Description 411 411C/D

2 3 4 5 NI 7

3871669 3871499 3871670 3871244 3871648 3871339 3095433

Cab Control Group (CELECT™ Plus) Plate, HI/LO Switch, HI/LO Dash plate, ON/OFF Toggle switch, ON/OFF Cable tie Wire harness

1 1 1 1 4 1

1 1 1 1 4 0

NOTE: controls installed by vehicle oems may be different than ctonrols supplied by cummins.

2

Service Parts No.

1 3 5

4 1a

1 1a 2 3 4 5 NI

P/N 3871428 3133172 3871654 3871505 3871655 3871656 3871580

cBRAKE BY JACOBS™ PARTS MANUAL for CUMMINS M11/M11 Plus engines

Description Feeler gage, 0.015” (0.38 mm) Feeler gage, 0.027” (0.68 mm) (411E Only) Slave piston removal tool Slave piston - 0.060" shorter for clearance issues Solenoid screen retainer Solenoid screen Tune-up kit

4



Cummins Inc. Box 3005 Columbus, IN 47202-3005 U.S.A. www.cummins.com CELECT™ is a trademark of Cummins Inc. Bulletin 3698826 Printed in U.S.A. 01/07 © 2002 Cummins Inc. CBrake by Jacobs™ is a trademark of Cummins Inc. and Jacobs Vehicle Systems Jacobs® is a registered trademark of Jacobs Vehicle Systems Jacobs P/N 021475 Rev. D www.jacobsvehiclesystems.com