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Balmar 6-Series Small-Frame High-Output Marine Alternators

Balmar 6-Series Smart-Ready AlternatorsBalmar 6-Series Smart-Ready Alternators
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Amps
Volts
Hitachi
Style
3.15" Saddle
Hitachi Style Alternator
Motorola/Delco
Style
1" or 2" Sgl. Ft.
Motorola/Delco Style Alternator
J-180
Style
4.00" Saddle
J-180 Style Alternator
70 12
60-70-SR-IG 621-70-SR-IG
N/A
100
12
60-100-SR-IG 621-100-SR-IG N/A
120
12
60-120-SR-IG 621-120-SR-IG 604-120-SR-IG
150
12
60-150-SR-IG 621-150-SR-IG 604-150-SR-IG
70
24
60-70-24-SR-IG 621-70-24-SR-IG 604-70-24-SR-IG
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Balmar 6-Series Marine Alternator Specifications

All Balmar Alternators come with your choice of pulley at no extra charge. The pulley will be added to your cart at no cost, and will be installed on your alternator by the factory.

Click here for our Pulley Selection Guide.

Specifications:
  • High Performance Rated to 10,000+ RPM
  • Dual Internal Fans Improve Cooling Efficiency
  • Great As A Stand-Alone Unit For Trailer Boats
  • Isolated Ground Terminal Ensures Proper Grounding
  • Meets USCG, ISO, SAE, CE Ignition Protection Standards
  • Safe For Use On Gasoline or Diesel Engines
  • Models for 3.15" & 4" Saddle and 1" & 2" Single-foot Mounts
  • External Regulator: OPTIONAL (Strongly Recommended)
  • One Year Limited Warranty
Package (Optional) Includes:
  • (1) 6-Series Alternator with your choice of pulley installed
  • (1) ARS-5 or MaxCharge Voltage Regulator
  • (1) 1010 Wiring Harness
  • (1) MC-TS-A Alternator Temperature Sensor
  • (1) MC-TS-B Battery Temperature Sensor
  • (1) 6-0020 Hardware Kit (Hitachi-Style only)
  • SAVE $$$!
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This alternator carries a spare! Built within the 6-Series alternator is a patented Smart Ready™ internal regulator that's always ready as a primary regulator or as a backup to take over in the unlikely event that your external regulator fails.

The Smart Ready™ internal regulator can be left disconnected, or can be connected to the charging system with a simple, double-throw toggle switch for rapid deployment.

Smart Ready Wiring Example
Smart Ready™ Wiring Example

Absolutely useful as an emergency backup, the Smart Ready™ internal regulator also makes it possible for wakeboard and multi-sport trailer boats to enjoy the added charging power of a high-output alternator without the need for external regulation. One year limited warranty.

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Balmar 6-Series Marine Alternator Output

Amp/Volt
Rating
Min. Belt
Width
Cold/Hot Output (Amps @ Alternator RPM)
1500 2000 2500 3000 3500 4000 4500 5000 5500 6000
70A/12V 3/8" 24 69 73 74 74 75 76 76 77 78
14 57 61 61 62 62 62 63 63 64
100A/12V 1/2" 41 84 105 108 108 110 110 110 109 109
16 71 80 82 83 84 85 87 86 84
120A/12V 1/2"
Dual
37 91 108 115 117 120 121 123 123 122
21 72 85 90 101 105 106 108 110 112
150A/12V 1/2"
Dual
20 80 121 140 151 155 157 158 157 155
18 61 100 120 129 130 136 142 144 149
70A/24V 1/2"
Dual
6 39 52 57 61 65 68 70 71 71
5 28 43 50 49 47 48 50 50 52

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Balmar 6-Series Marine Alternator Dimensions



Mount
Type
Mount
Style
Alternator Dimensions
A B C D E F G H I J
Hitachi Saddle 3.15" 6.25" 5.00" 5.25" 7.35" 6.65" 2.70" 1.00" 0.55" 3.15" 0.75" w/Bushing
Delco/Motorola 1" or 2" Sgl. Ft. 1" or 2" N/A N/A
J-180 Saddle 4.00" 0.55" 4.00" 0.75" w/Bushing