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Engine Mounting Guide
The following
guide provides a basic reference for matching High-Output Balmar
alternators to your specific engine type. Keep in mind that "real
world" factors, including engine age, engine model, engine marinizer,
distributor and/or installer, can all have a dramatic effect on the actual
mounting configuration you'll find on your specific engine.
In addition to
your alternator's mounting style, it is essential to ensure that your
alternator's amperage capacity is matched to the size of your drive belt.
If your engine uses a 3/8" drive belt, we recommend our 75-amp
alternator. If your existing drive belt measures 1/2", we recommend
our 100-amp alternator. If your engine is equipped with a dual
1/2"-belt system, our 150-amp alternator would be the recommended
choice for your system. Large case, high-output alternators should be
driven by a minimum of two 1/2" belts.
We strongly
recommend you examine your engine to determine both mounting style and
drive belt size before you order a replacement or upgrade alternator.
| Engine
/Alt. Make |
Series
(Case size or type) |
Mounting
Foot Size ( M.F.) |
| Bukh |
91
series |
1"
M.F. |
| Caterpillar |
Not
Standard, usually isolated ground, 91 or large case |
Varies
by model |
| Chrysler |
90
series with spacers |
Varies
by model |
| Crusader |
91
series |
1
M.F. |
| Cummins |
92/94
TCU series( dual foot), 95 series or 912 series |
Varies
by model |
| Delco
55 Alt. |
(W/2
M.F.) 912 series 2 (Delco style) M.F. (or 91 w/ 1 M.F.
& 1 spacer) |
2
M.F. |
| Detroit
Diesel |
92/94
series (specify dual foot), some 912 series |
Varies
by model |
| Flagship |
91
series |
1
M.F. |
| GMC |
91
series for most (can use 92/94 series ) |
Varies
by model |
| Greymarine |
91
series |
1
M.F. |
| Hawk
Marine Power |
91
series |
1
M.F. |
| Hitachi
Alternator |
90
series |
(dual
foot 3.15 separation) |
| Indmar |
91
series |
1
M.F. |
| Isuzu |
91
series |
1
M.F., drill hole to 1/2 |
| John
Deere |
91
series |
1
M.F. |
| Lehman(Ford) |
91
series |
1
M.F. Call American Diesel |
| Lehman(Sabre) |
901-75
or 901-100 series |
(dual
foot 3.15 separation) |
| Lugger
6125 |
Lugger
mounting kit for the 6125 465 hp engine |
|
| Lucas
Alt. |
901-75
or 901-100 series (all isolated ground) |
(dual
foot 3.15 separation) |
| Mann |
No
standard. (Can use 92/94 series ) |
|
| Mercedes |
90
series |
(dual
foot 3.15 separation), with spacers
common |
| Mercrusier |
91
series |
1
M.F. |
| Mitsubishi |
90
series case |
(dual
foot 3.15 separation) 1 spacer 3/8
bolt |
| Motorola
Alternator |
91
series |
1
M.F. |
| MTU |
No
standard (Can use 92/94 series ) |
|
| Namni |
90
series |
(dual
foot 3.15 separation) |
| Nippondenso
Alt. |
90
series |
(dual
foot 3.15 separation), Modify engine
mount. |
| OMC |
91
series |
1
M.F. |
| Pathfinder* |
912
series |
2
(Delco style) M.F. |
| Perkins
4-107,108 |
912
series |
2
(Delco style) M.F |
| Perkins
(other) |
91
series |
1
M.F. |
| Perkins-Volvo
M series |
901-75
or 901-100 series |
(dual
foot 3.15 separation), isolated grounds |
| Pleasurecraft |
91
series |
1
M.F. |
| Prestolite
Alt. |
91
series |
1
M.F. |
| Universal
Atomic 4 |
91
series or 912 series |
1
M.F. with 1 spacer |
| Universal
30, 50 -1982 |
91
series |
1
M.F. |
| Vetus-Denouden |
90
series |
(dual
foot 3.15 separation) |
| Volvo
- 2001 -2003 |
912
series |
2
( Delco style) M.F. (turbo - swing arm mod.) |
| Volvo
- Driven off Flywheel |
Alternator
must have a special 3/8 x 4 pulley |
|
| Westerbeke
46 4107, 4108 (1979) |
91series |
1
M.F. |
| Westerbeke
46 (1986) |
90
series |
(dual
foot 3.15 separation) |
| Yamaha
(IO) |
91
series |
1
M.F. |
| Yanmar
** |
90
series |
(dual
foot 3.15 separation) |
*Remove
original pulley and mount on BALMAR ฎ alternator; or move U bracket
forward
**Yanmar Mounting: 35 amp uses 6 mm Mt. bolt, 55 amp 8 mm Mt. bolt, 80 amp
special 10 mm bushing. |
