Part number

3933142M91

Type Alternator
Fits Massey Ferguson, Landini +6 makes 300 models
3 offers from €65.79 3 suppliers
12V Alternator 1447312M91 for Perkins 4.236 6.354 Massey Ferguson MF243 MF245 MF250 MF253 399 699 383 +5
12V Alternator 1447312M91 for Perkins 4.236 6.354 Massey Ferguson MF243 MF245 MF250 MF253 399 699 383
Part # 3933142M91
In stock
€65.79
75.99 USD at supplier
Buy
SupplierESIKS
Based inHong Kong SAR China
Vendor SKU ESY42205
Checked
12V Alternator 1447312M91 for Perkins 4.236 6.354 Massey Ferguson MF243 MF245 MF250 MF253 399 699 383 +5
12V Alternator 1447312M91 for Perkins 4.236 6.354 Massey Ferguson MF243 MF245 MF250 MF253 399 699 383
Part # 3933142M91
In stock
€103.38
119.41 USD at supplier
Buy

Keep your battery charged with a reliable Alternator from FridayParts. Enjoy fast delivery & global shipping.

SupplierFridayParts
Based inUnited States
Vendor SKU ELHD46649813-1
Checked
70 Amp 14V Alternator for Massey Ferguson, Ford New Holland, Case IH, Landini and McCormick Tractors
70 Amp 14V Alternator for Massey Ferguson, Ford New Holland, Case IH, Landini and McCormick Tractors
Part # 3933142M91
1.606 kg
€304.00
351.15 USD at supplier
Buy

When you're running long days in the field and your alternator starts acting up—dim lights, slow cranking, or that warning light that won't quit—you need a reliable replacement that'll keep your operation running without breaking the bank. This MAHLE-manufactured 70-amp alternator delivers the dependable charging power your tractor needs, whether you're pulling a disc through tough soil or powering hydraulics on a loader all day long. What You're Getting Solid 70-amp output that handles modern electrical demands without overworking the charging system 14-volt design maintains proper battery charge and keeps all your electrical systems running strong MAHLE quality construction engineered specifically for agricultural applications Direct replacement that fits multiple brands—saves you time hunting for brand-specific parts Built for Real Farm Work This alternator works across a wide range of tractors from utility models up to larger row-crop machines. Whether your Massey Ferguson is running a bush hog, your Ford New Holland is pulling implements, or your Case IH is doing loader work, this unit keeps the electrical system healthy through whatever work you throw at it. Made to Last MAHLE doesn't just rebadge generic alternators—they engineer them for the tough conditions farm equipment faces. The sealed housing keeps dust and moisture out, while quality bearings handle V-belt tension without premature wear. The internal voltage regulator maintains steady output whether you're idling while hooking up implements or running at PTO speeds. Installation Notes Before installing your new alternator, check why the old one failed—worn belts, corroded connections, or a bad battery can kill alternators prematurely. Clean the mounting area and verify proper belt alignment to prevent future problems. After installation, test the system with a voltmeter; you should see 13.8-14.4 volts at moderate RPM.

SupplierSutter Bros
Based inUnited States
Weight1.606 kg
Vendor SKU QTP-64991
Checked

Kits listing this number

Sold as a complete set — a repair kit for 3933142M91, or a set that includes it. The price shown is for the set.

Universal Alternator Conversion Kit for Generator-Equipped Tractors
Universal Alternator Conversion Kit for Generator-Equipped Tractors
Part # 3933142M91
5.294 kg
In stock
€281.52
325.18 USD at supplier
Buy

If you're tired of that old generator barely keeping up with your electrical demands, it's time for an upgrade. When you're running lights for early morning chores or powering modern accessories, that vintage generator just can't deliver the juice you need. This complete conversion kit transforms your tractor's charging system from outdated to dependable, giving you the power to run everything from work lights to GPS units without worrying about a dead battery. What You're Getting Complete kit with alternator, mounting brackets, and all hardware needed Modern alternator that charges properly at all RPMs, not just high speeds Built-in voltage regulator eliminates those troublesome external regulators Higher amperage output supports additional electrical accessories Universal design works with hundreds of tractor models across multiple brands Built for Real Farm Work This kit fits a wide range of tractors from Massey Ferguson, Ford, Case IH, International, and other brands that came with generators from the factory. Whether you're running a utility tractor around the barnyard or a bigger machine in the field, this conversion gives you the reliable charging power modern farming demands. Made to Last Farm equipment takes a beating, and this alternator is built to handle it. Heavy-duty bearings rated for agricultural use stay sealed against dust and moisture. The solid-state internal regulator eliminates the contact points that always seem to fail in old mechanical regulators. Quality brushes and slip rings keep delivering consistent power season after season. Installation Notes This universal kit replaces hundreds of different part numbers, so chances are good it'll work on your tractor. Installation typically takes 2-3 hours with basic tools. You might need to drill new mounting holes or adjust bracket positions compared to your old generator setup. The built-in regulator simplifies wiring - most jobs only need the main output wire and a switched ignition connection. Take your time with belt alignment and tension for long alternator life.

SupplierSutter Bros
Based inUnited States
Weight5.294 kg
Vendor SKU QTP-63336
Checked
Broader search for 3933142M91

Fits these machines

Models listed by the suppliers of this part. 300 in total.

Massey Ferguson

MF154MF184MF194MF194-4MF240MF243MF245MF250MF253MF254MF255MF260MF263TMF300MF350MF353MF360MF364MF365MF373MF374MF375MF377MF383

Landini

1000010000 S12500130001450016000165004560 V5560 F5560 L5560 V586060606060 F6060 L6060 V6560 F6560 L6560 V686068807560 F7560 L7560 V

Valtra / Valmet

6000610062006250 HI63006350 HI64006550 HI660068006850 HI6900800080508050 HI810081508150 HI820083008300 T8350 HI84008450

Ford New Holland

32303430393041304630483050305110561059006610671068107610771078107910

Case IHC

12941394149432203230421042204230485495

McCormick

F100F70F80F90V70V80

Perkins

3.1524.2364.2486.354

Renault / Claas

Other numbers for this part

Suppliers list these numbers for the same part.

1447312M91 1643314M91 1693232M91 1693233M91 1897695M91 3538541M1 3612670M91 3698017M91 3701910M91 3701911M91 3701913M91 3714944M1 and 93 more

About this part

Suppliers
3
Offers
3 on this page
In stock
2 of 3
With a price
2 of 2 in stock
Prices
from €65.79 to €103.38, avg €84.58

pfind.pro compares offers from independent suppliers. Ordering and payment happen on the supplier's own site.