As a major service center for Balmar alternators we carry a wide range of spare parts for all the models in the range. We can offer every thing from small washers to screws and nuts to spare stators and rotors to end shields and diodes to brush holders and insulators so whatever your needs enquire for details or just give us your order.

Additionally because of our expertise in alternator servicing we also carry a wide range of parts for all other types of alternators including built in regulators.


81-Series Alternators
50, 65 & 100-amp alternators

Ideal for OEM replacement or upgrade on both gasoline and diesel engines, this alternator features a Motorola®-Style 1" mounting foot. Available in 50, 65 and 100-amp models, these ignition-protected models are certified to USCG, ISO 8846, and SAE J1171 standards. All models include isolated grounds and sealed brushes for optimal safety and performance. All 81-Series can be used with multi-stage Max Charge. ERS or ARS-Series regulators.

 


812-Series Alternators
50, 65 & 100-amp alternators

Ideal for OEM replacement or upgrade on both gasoline and diesel engines, this alternator features a Delco®-Style 2 " mounting foot. Available in 50, 65 and 100-amp models, these ignition-protected models are certified to USCG, ISO 8846, and SAE J1171 standards. All models include isolated grounds and sealed brushes for optimal safety and performance. All 81-Series can be used with multi-stage Max Charge. ERS or ARS-Series regulators..

 

Alternator Specifications
Amperage output:               50A(812-50), 65A(812-65), 100A(812-100)
Operating range:                 0-10,000 RPM (Rotor)
Alternator polarity:               P-type (Positive)
Mounting configuration:      2" Delco
®-type mounting foot
Standard pulley type/size:  Single deep-vee (3/8" to 1/2") / 2.5" diameter
Outputs:                                Single 12V
Regulation:                           External (Single or multi-stage)
Finish:                                   White Powdercoat / Blue fan
Ship weight:                         12 lbs.


Small Case Alternators - 12V and 24V

Product #

Cat #

Volts DC

Max

Amps*

Mounting

Style

Output

Pulley

Style**

Minimum

Rec

Belt Width

RRP

Our

Price

1102181 Series (Motorola-style mount) Single Foot

81-50

 11021

12

50

1" Single Foot

Single

Single Deep V

3/8"

$279.95

$239.95 

81-65

 11071

12

65

1" Single Foot

Single

Single Deep V

3/8"

$299.95

$249.99 

81-100

 11026

12

100

1" Single Foot

Single

Single Deep V

1/2"

$499.95

$369.00 

812 Series (Delco style mount) Single Foot

812-50

 11035

12

50

2" Single Foot

Single

Single Deep V

3/8"

$279.95

$239.95  

812-65

 11036

12

65

2" Single Foot

Single

Single Deep V

3/8"

$299.95

$249.99 

812-100

 11037

12

100

2" Single Foot

Single

Single Deep V

1/2"

$499.95

$369.00 

* Maximum amps are based on optimal bench performance.  Actual output depends on temperature, battery condition and

capacity, wire size and other variables.

**Deep-Vee pulleys accommodate belt widths of 3/8" to 1/2" Dual Deep-Vee pulleys require two belts