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Alternator for Ford 5640 & 6640 Tractors & New Holland LS190 12-Volt 45 Amp

Alternator for Ford 5640 & 6640 Tractors & New Holland LS190 12-Volt 45 Amp

SKU:400-30018

Regular price £187.70 GBP
Regular price Sale price £187.70 GBP
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Free shipping over £150. Terms apply

Alternator for Ford 5640 & 6640 Tractors & New Holland LS190 12-Volt 45 Amp

Fits Ford 5640 & 6640 Tractors and New Holland LS190 Skid Steer Loader

This aftermarket alternator is built as a direct-fit replacement for Ford and New Holland tractors and skid steer loaders, matching OEM form, fit and function. It is a 12-volt, 45-amp unit with clockwise (CW) rotation, an internal regulator (IR) and external fan (EF), fitted with a serpentine pulley to suit these applications.

Construction uses high-temperature epoxy encapsulation and high-temperature grease to withstand sustained engine-bay heat and vibration, giving reliable charging performance as a factory replacement.

Key Features

  • 12-Volt, 45-Amp output
  • Clockwise (CW) rotation, internal regulator (IR), external fan (EF)
  • Serpentine pulley fitment
  • Direct replacement for Ford/New Holland F2NN-10B376-BA & F2NN-10B376-CA
  • High-temperature epoxy and grease construction for extended service life

Technical Specs

Specification Detail
Voltage 12V
Amperage 45A
Rotation CW (Clockwise)
Regulator Internal (IR)
Fan Type External (EF)
Pulley Type Serpentine
Weight 13.00 lbs

Vehicle Fitment Guide

Make & Model Years
Ford Tractor 5640 (268ci 4-cyl Diesel) 1992-1998
Ford Tractor 6640 (304ci 4-cyl Diesel) 1991-1998
New Holland Tractor 5640 (4-268 Ford Diesel) 1994-1998
New Holland LS190 Skid Steer Loader (450/NC Diesel) 2000-on

OEM Part Number Cross Reference

Aftermarket replacement. OEM part numbers are listed for reference only.

Part Number Manufacturer / Brand
F2NN-10B376-BA Ford / New Holland
F2NN-10B376-CA Ford / New Holland
12093 Lester
12429 Lester
113623 Cargo
IA0480 Letrika (Iskra)
MG525 Mahle
24384 Lucas Electric
24385 Lucas Electric

Frequently Asked Questions

Will this alternator fit without modification?

Yes. This unit is a direct OEM-fit replacement for the listed Ford and New Holland applications, using the same serpentine pulley and mounting configuration as the original.

What's included?

The alternator unit complete with pulley, ready to bolt straight into place of the original.

How can I tell my original alternator has failed?

Common signs include a dead or slowly-draining battery, dimming or flickering lights, an illuminated charge warning light, or a whining/growling noise from the unit.

Is the pulley included and compatible with my belt?

Yes, the unit is supplied with a serpentine pulley matching the original Ford/New Holland fitment for these tractors and the LS190 skid steer loader.

Dispatched from the UK · 12-month warranty · Fitment support from our technical team
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Shipping calculated at checkout. Free shipping over £150. Terms apply