DF Mounts
Here you find our dual flex engine mounts which are used in a wide variety of engine applications. Use the table to determine the correct mount for your engine. If you have trouble sizing your mount, please feel free to contact us and one of our engineers will assist you in locating the correct mount for your application.
Engine Model |
|||||
Stern Drive Installations |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
All 4 and 6 Cylinder and V8 GAS Engines | 500-1200 | 80-500+ | DF-216 | 4.0" | 3/4" - 16 |
Where Additional Clearance is Desired | 500-1200 | 80-500+ | DF-216 B2 | 4.25" | 3/4" - 16 |
All 4 and 6 Cylinder and V8 GAS Engines | up to 800 | 80-375 | Use DF-206 for 5/8" stud | 4.0" | 5/8" - 18 |
Inboard Installations |
|||||
Gas Inboard Rear Mount (Transmission End) | 500-1200 | 80-500+ | RM-1060 | 4.0" | 3/4" - 16 |
Caterpillar Diesel Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
3116/3126/C7/C9 | 1500-2400 | 205-500 | DF-9106 | 5.0" | 1" - 14 |
3208/3304B | 1700-2200 | 85 up to 340 | DF-238-M1 | 5.0" | 3/4" - 16 |
3208 | 1700-2600 | >340 | DF-4408-4 | 5.0" | 1" - 14 |
3308C / 3406E / 3176B / 3306C | 1600-3800 | 500-820 | DF-4407-4 Light End | 5.0" | 1" - 14 |
DF-4428-4 Heavy End | 9.0" | 1" - 14 @ 2 | |||
Chris-Craft Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
181-F | 650 | 130 | DF-2207-2 | 4.0" | 5/8" - 18 |
305-F/350K/350KBM | 500-1200 | 250-330 | DF-216 | 4.0" | 3/4" - 16 |
Up to 800 | 250-330 | Use DF-206 for 5/8" stud | 4.0" | 5/8" - 18 | |
All 454 engines | 1200 | 330-425 | DF-216 | 4.0" | 3/4" - 16 |
Cummins Diesel Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
4BT/6BT | 900-1600 | 80-370 | DF-477-M3 | 5.0" | 3/4" - 16 |
6C/420 Diamond | 1800-2300 | 150-450 | DF-9106 | 5.0" | 1" - 14 |
V-504/555-M | 1800-2200 | 200-250 | DF-238-M1 | 5.0" | 3/4" - 16 |
VT-555-M | 2200-2500 | 270 | DF-4407-4 | 5.0" | 1" - 14 |
V-903-M | 2800 | 305-360 | DF-4408-4 | 5.0" | 1" - 14 |
NTA855, QSM 11 Engines | 2800-4200 | 215-635 | DF-4408-4 Light End | 5.0" | 1" - 14 |
DF-4428-4 Heavy End | 9.0" | 1" - 14 @ 2 | |||
Detroit Diesel Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
6.2/4-53/8.2/6V53/6V53T/471N | 700-2400 | 130-420 | DF-238-M1 | 5.0" | 3/4" - 16 |
471TI/6-71/6-71TI/6V71/6V71TA | 2200-2800 | 250-550 | DF-4408-4 | 5.0" | 1" - 14 |
8V71/8V71TI/6V92/6V92TA/8V92/8V92TA | 3500-4200 | 650-720 | DF-4408-4 Light End | 5.0" | 1" - 14 |
DF-4428-4 Heavy End | 9.0" | 1" - 14 @ 2 | |||
Duetz Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
F1L208/F1L210/F1L511/F2L511 | 190-425 | 13-28 | DF-2205-2 | 4.0" | 5/8" - 18 |
F2L912/F3L912/F4L/912/F5L912 | 600-1200 | 36-200 | DF-216 | 4.0" | 3/4" - 16 |
F6L912/BF6L913 | Up to 800 | 36-200 | Use DF-206 for 5/8" stud | 4.0" | 5/8" - 18 |
V-6 & V-8 Engines | 1250-2800 | 210-500 | DF-4408-4 | 5.0" | 1" - 14 |
V-6 & V-8 Engines | 3400-4200 | 520-600 | DF-4408-4 Light End | 5.0" | 1" - 14 |
DF-4428-4 Heavy End | 9.0" | 1" - 14 @ 2 | |||
Ford Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
LSG/CSG/WSG (Gas engines) | 200-480 | 120-245 | DF-206 | 4.0" | 5/8" - 18 |
YSD-424/YSD-635/SSD437/DSD-442 (Gas engines) | 500-800 | 250-325 | DF-216 | 4.0" | 3/4" - 16 |
SSD655N/655T/DSD659/DSD659/660/662 (Gas engines) | 950-1500 | 300-480 | DF-236-M1 | 5.0" | 3/4" - 16 |
DSD-681N/T (Gas engines) | 1500-1600 | 500 | DF-237-M1 | 5.0" | 3/4" - 16 |
Lehman & Merlin Diesel | 2800 | 300-475 | DF-4408-4 | 5.0" | 1" - 14 |
Ford Gas Generators VSG411/413/ LSG423 | 200-450 | 20-75 | DF-2205-2 | 4.0" | 5/8" - 18 |
LSG875/CSG649 | 470-725 | 80-200 | DF-2207-2 | 4.0" | 5/8" - 18 |
Ford Diesel Engines & Gen ESD442 Marine | 290 | 80-100 | DF-2205-2 | 4.0" | 5/8" - 18 |
All other ESD/BSD Series Engines | 800-1400 | 150-300 | DF-236-M1 | 5.0" | 3/4" - 16 |
NOTE: If your Lehman engine currently has 4" hole center mounts with 3/4" stud use the DF-216 |
|||||
Isuzu Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
QD27 | 400-500 | 14-28 | DF-2207-2 | 4.0" | 5/8" - 18 |
QD40/60 | 500-750 | 40-60 | DF-3304-3 | 4.5" | 3/4" - 16 |
QSD130/145 | 1100-1400 | 130-145 | DF-3306-3 | 4.5" | 3/4" - 16 |
Iveco Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
8041SRM15/8061M05 | 900-1500 | 140-150 | DF-236-M1 | 5.0" | 3/4" - 16 |
8061SM05/06/8061SRM 05 & 06 & 27 | 1160-1800 | 190-270 | DF-237-M1 | 5.0" | 3/4" - 16 |
8361SRM10 & 37 | 1500-1800 | 285-420 | DF-4407-4 | 5.0" | 1" - 14 |
8281SRM70 | 3700-4200 | 500-700 | DF-4408-4 Light End | 5.0" | 1" - 14 |
DF-4428-4 Heavy End | 9.0" | 1" - 14 @ 2 | |||
John Deere Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
3.9 Liter & 4.5 Liter | 1000-1200 | 70-150 | DF-236-M1 | 5.0" | 3/4" - 16 |
6.8 Liter | 1500-1800 | 155-230 | DF-237-M1 | 5.0" | 3/4" - 16 |
7.6 & 8.1 Liter | 1800-2200 | 240-450 | DF-238-M1 | 5.0" | 3/4" - 16 |
9.0 Liter | 2350 | 325-500 | DF-4408-4 | 5.0" | 1" - 14 |
12.5 Liter | 2500-2800 | 240-450 | DF-4408-4 | 5.0" | 1" - 14 |
Peninsular Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
All Models | 500-2000 | 110-450 | DF-238-M1 | 5.0" | 3/4" - 16 |
Perkins Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
M20/M30 | 240-300 | 17-50 | DF-2205-2 | 4.0" | 5/8" - 18 |
M35 - M90NA | 450-650 | 33.5-80 | DF-2207-2 | 4.0" | 5/8" - 18 |
4-108M/4-154M | 465-700 | 50-60 | DF-2207-2 | 4.0" | 5/8" - 18 |
M135/ 165T/ 200TI/ 240TI/ 275TI/ 4-236M | 840-1500 | 85-250 | DF-236-M1 | 5.0" | 3/4" - 16 |
T6-3544M/ ST6-3544M/ SSTT6-3544M | 1250-2100 | 135-200 | DF-4406-4 | 5.0" | 1" - 14 |
TV8-540M | 2200-2500 | 350 | DF-4407-4 | 5.0" | 1" - 14 |
Renault Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
RC8D/11D/12D/16D | 180-450 | 0-20 | DF-2205-2 | 4.0" | 5/8"- 18 |
RC30D | 500-700 | 30-50 | DF-2207-2 | 4.0" | 5/8"- 18 |
RC55D/80D/90D/RC130DTS & 140 | 750-1400 | 55-160 | DF-236-M1 | 5.0" | 3/4" - 16 |
Universal Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
Model 12, 18, 20, 25, 25XP, 30 | 175-450 | 0-35 | DF-2205-2 | 4.0" | 5/8"- 18 |
Model 40, 50 | 490-700 | 40-50 | DF-2207-2 | 4.0" | 5/8"- 18 |
M3-20/M4-30 | 235-450 | 18-25 | DF-2205-2 | 4.0" | 5/8"- 18 |
5444/M4-44 & 50 | 480-550 | 45-60 | DF-206 | 4.0" | 5/8"- 18 |
ATOMIC 1 | 130 | 10 | DF-2204-2 | 4.0" | 5/8"- 18 |
ATOMIC 2/ ATOMIC 4/ STEVEDORE (Includes model 5411, 5416, 5424) | 175-335 | 0-30 | DF-2205-2 | 4.0" | 5/8"- 18 |
ATOMIC Model 5432 | 490 | 30-40 | DF-2207-2 | 4.0" | 5/8"- 18 |
Volvo Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
MD5A/6B/7A | 245-385 | 7.5-13 | DF-2205-2 | 4.0" | 5/8"- 18 |
MD11C/17C/MD17C-110S/MD21A | 500-750 | 23-61 | DF-2207-2 | 4.0" | 5/8"- 18 |
TMD31/TAMD31/MD32A | 740-900 | 62-150 | DF-3304-3 | 4.5" | 3/4"- 16 |
TMD40A/TMD40A/TMD41/TAMD41 | 1000-1100 | 117-200 | DF-3306-3 | 4.5" | 3/4"- 16 |
TAMD60A/61/MD70B/TAMD70B/C | 1800-2200 | 150-310 | DF-236-M1 | 5.0" | 3/4"- 16 |
TAMD42/THAMD70C/TAMD71/MD70E | 2000-2400 | 200-430 | DF-4407-4 | 5.0" | 1" - 14 |
TMD120A/TAMD120A/TAMD122 | 2200-4200 | 260-450 | DF-4408-4 Light End | 5.0" | 1" - 14 |
DF-4428-4 Heavy End | 9.0" | 1" - 14 @ 2 | |||
Westerbeke |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
W-10, W13, W18,W21,W21A,W27 | 200-450 | 0-27 | DF-2205-2 | 4.0" | 5/8" - 18 |
W33, W46, W52, W58, W70 | 500-750 | 33-70 | DF-2207-2 | 4.0" | 5/8" - 18 |
W80, W100, W120 | 800-1400 | 80-120 | DF-236-M1 | 5.0" | 3/4" - 16 |
Yanmar Engines |
Weight lbs |
HP Range |
Suggested Mount* |
Hole Centers |
Stud Size |
GM Series | 100-320 | 9-28 | DF-2205-2 | 4.0" | 5/8" - 18 |
3JH Series | 390-425 | 35-50 | DF-2205-2 | 4.0" | 5/8" - 18 |
4JH Series | 490-550 | 50-100 | DF-2207-2 | 4.0" | 5/8" - 18 |
4LH Series | 750-900 | 110-170 | DF-3304-3 | 4.5" | 3/4" - 16 |
6LP Series | 700-900 | 260-315 | RM-1060 | 4.0" | 3/4" - 16 |
6LYA-CX Series | 1300-1500 | 315-465 | DF-9106 | 5.0" | 1" - 14 |
6CX- GTE2 Series | 1800-2400 | 490-500 | DF-9106 | 5.0" | 1" - 14 |
Note 1: DF2200 Series Mounts available as DF2200 - 2 (with 5/8" stud) or DF-2200-1 (with 1/2" stud)
Note 2: Use DF-3300 Series Mounts for 4 1/2" hole centers (with 3/4" stud)
Note 3: Use DF-100 Mount for 1 7/8" minimum clearance
Note 4: DF-242 Series - Twin stud/double mount with 3/4" stud
The DF 9106 mount is a direct replacement for both Cummins C and CAT 3126 engines.