Part number

TY6778

Generator John Deere TY6779
Brand Mahle
Fits John Deere 55 models
3 offers from €310.57 2 suppliers
Heavy Duty 14V High Output Alternator for John Deere Tractors
Heavy Duty 14V High Output Alternator for John Deere Tractors
Part # TY6778
1.751 kg
In stock
€310.57
358.74 USD at supplier
Buy

When your alternator starts going out, you'll know it right away. Dim headlights during evening work, slow cranking on cold mornings, or that dreaded dead battery just when you need to get moving. This heavy-duty replacement unit delivers the reliable charging power your tractor needs to keep all those electrical accessories running strong, from LED work lights to GPS guidance systems. What You're Getting 14-volt high-output design that keeps up with today's electrical demands Internal voltage regulator provides steady charging at all engine speeds Heavy-duty bearings and construction built for the punishment of farm work Direct replacement design—no modifications or adapters needed Quality brushes and slip rings for consistent power output over time Built for Real Farm Work Modern tractors are loaded with electrical accessories that older alternators just can't handle. Between LED light bars for night operations, computerized controls, hydraulic systems, and cab amenities, your charging system has to work harder than ever. This alternator is designed to meet those demands whether you're running a utility tractor with a loader or a big row-crop machine pulling complex implements. Made to Last Farm environments are tough on electrical components, and this alternator is built accordingly. The case resists corrosion from fertilizer spray and chemical exposure, while sealed internals keep dust and moisture out. Quality bearings handle the side loads from belt tension, and the internal components are designed to provide years of reliable service in agricultural conditions. Installation Notes Most farmers can handle this replacement with basic tools. Always disconnect the battery first to prevent shorts. Take a photo of the belt routing before removal—it'll save you headaches later. Clean all electrical connections with contact cleaner before hooking up the new unit. While you've got the belt off, check its condition—a worn belt can cause charging problems even with a new alternator. Set proper belt tension according to specs, and check charging voltage after installation to make sure everything's working right.

SupplierSutter Bros
Based inUnited States
Weight1.751 kg
Vendor SKU QTP-59779
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Generator John Deere TY6779
Generator John Deere TY6779
Part # TY6778
In stock
€412.00
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Generator suitable for various John Deere models ("See fit for").Technical specification:-Power: 14V/80A-Belt width: 9.7mm-1-groove pulley

SupplierSagroparts
Based inSweden
Vendor SKU S.127854
Checked
Alternator Mahle 95A 12V Jd
Alternator Mahle 95A 12V Jd
Part # TY6778
Brand Mahle
In stock
€499.00
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- 95 A- 14 V- pulley with 1 groove Ø 87 mm- shaft 17 mm- mounting hole Ø 8.2 mm- distance between mounting holes 56 mmGeneral descriptions of the generator pins:- B+,+ = charging current to the battery's + terminal- D-, B- = generator grounding to the battery's - terminal/chassis- IND, I, D+ = activation of generator via charge lamp- W = impulse pin for electric tachometer- S = sensor for battery temperature sensor (Ford)- AUX = extra connection for additional equipment- F = field in DC generators

SupplierSagroparts
Based inSweden
Vendor SKU STL0014M
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Broader search for TY6778

Fits these machines

Models listed by the suppliers of this part. 55 in total.

John Deere

195022502450265028503040305031403350610062006300640010401140164017501850204021403640365066006800

Other numbers for this part

Suppliers list these numbers for the same part.

62/920-19 VPF4058 AL81437 IA0498 IA0989 0120484002 0120484003 0120484016 0120484020 0986036800 120484002 120484003 and 27 more

About this part

Suppliers
2
Offers
3 on this page
In stock
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3 of 3 in stock
Prices
from €310.57 to €499.00, avg €407.19

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