Select Your Tractor
Alternator for BMW Various Models 1978-1987, Bukh 3G105 Tractors; MAH-MG77

Alternator for BMW Various Models 1978-1987, Bukh 3G105 Tractors; MAH-MG77

Item #: MAH-MG77
Complete Tractor keeps you working in the field with engineer-tested electrical components for tractors.
  • Order by 2pm EST for Same Day Shipping.
  • 1 Year Warranty on all Products.
  • 100% Brand New Aftermarket Part from Complete Tractor.
Check if this fits your equipment?
$409.88 $328.47

Lock-in this low price now!

Next Day Air Shipping for
Order by 2pm EST, M-F
Order in the next hrs mins secs

Our parts specialist can help answer all your questions. For further assistance call (800) 866-6897

Adding to cart… The item has been added
Have tax exempt status? Call 800-866-6897 to order.
Two ways to ensure proper fitment
Enter your make & model below to find the right part.


Alternator For BMW Various Models 1978-1987, Bukh 3G105 Tractors; MAH-MG77

Part Number: CMAH-MG77T


Part Notes

Description: Alternator
Critical Note: Battery Temperature Sensing Capability@ Dust-Proof@ Insulated Ground
Volt: 12
Amps: 70
Mount Hole ID 1: 8.300mm
Mount Hole 1 Type: Unthreaded
Mount Hole 2 Type: Unthreaded
Mounting Ear 2 Thickness: 2"/50.800mm
Fan Location: External
Regulator Location: Internal
Terminal ID 2: B+
Terminal 2 Size: M6x1.00
Polarity: Insulated

Part Fitment

Select Make & Type
MakeVehicle TypeModel
BMWTractorVarious Models 1978-1987
BukhTractor 3G105
BukhTractor 4K105
BukhTractor 6K105
BukhTractor DV10
BukhTractor DV10ME
BukhTractor DV10SME
BukhTractor DV20
BukhTractor DV20ME
BukhTractor DV20SME
BukhTractor DV36
BukhTractor DV36ME
BukhTractor DV36SME
BukhTractor DV48ME
BukhTractor DV48SME
FarymannTractor A30M
Farymann Tractor FK2M
Farymann Tractor FK3M
Farymann Tractor K34M
Farymann Tractor L30M 1972-1985
Farymann Tractor L38M
Farymann Tractor R30 1972-1985
Farymann Tractor S30 1972-1985
Farymann Tractor Various Models
MercruiserTractor Renault RC145DTS
NanniTractor 4380

Replaces These Part Numbers

ArrowheadAMO0028, IA1438
J&N Electrical Products400-29040
Lucas ElectricLRA01656
Mahle11.203.998, 11.205.070, AAK3802, AAK4674, IA1438, MG77
Paris Rhone66021151M
Valeo100605, 106606, 2518039, 2541451, 2927120, 2927750, 436378, 439185, 510803, 510816, 510818, 510819, 510834, A13N147M, A13N148M, A13N149M, A13N1M, A13N234, A13N259, A13N2M, A13N57M
Volvo3803260-3, 8346256, 841378-3, 841762, 841765, 841766-9, 842765, 858838, 8588386, 858839, 8588394, 872018-7, 872235-7

Customer Reviews

WARNING: California’s Proposition 65
Tractor & Barn

Your Trusted Source for Quality Tractor Parts!

Complete Tractor specializes in offering hard-to-find parts to keep tractors working like the first day they rolled onto a field.

  • Proven to Perform

    Complete Tractor supplies premium quality parts that keep tractors working like new.
  • Fast Delivery

    Complete Tractor keeps parts stocked so they are ready to ship when you place an order, getting you up and running all the sooner.
  • Priced to Please

    With prices that often save you over OEM, our parts are manufactured to OEM specifications for outstanding performance.
  • Just Like Originals

    Parts are designed to match the fitment specifications of the originals that came in your tractor.
Back To Top