This alternator is a direct replacement for the original unit fitted to a wide range of Kubota B, L and M Series tractors powered by 2.8-litre diesel engines. It is manufactured to OEM specifications for fit, form and function, so it installs in place of the original part without modification.
The unit is rated 12-volt, 40-amp with clockwise rotation and an internal regulator (IR). It uses a single-groove (V1) pulley and is fitted with an IG-L (T-shaped) plug, matching the original Kubota specification used across the L3000 and MX5000 tractor range.
Key Features
- 12-volt, 40-amp output
- Clockwise (CW) rotation, internal regulator (IR)
- Single-groove V1 pulley
- IG-L (T-shaped) plug
- Fits a wide range of Kubota B, L and M Series tractors
Technical Specs
| Specification |
Detail |
| Voltage |
12V |
| Amperage |
40A |
| Rotation |
CW (clockwise) |
| Regulator Type |
IR (internal) |
| Pulley Type |
V1 (single groove) |
| Plug Type |
IG-L (T-shaped) |
Vehicle Fitment Guide
| Make & Model |
Years |
| Kubota B Series (B2301HSD, B2320, B2410, B2601, B2620, B2920, B7510, B7610) |
Not specified |
| Kubota L Series (L2600-L3130, L3240-L3540, L3700-L4740) |
Not specified |
| Kubota M Series (M4700-M4900, M5400-M5700) |
Not specified |
| Kubota E21FKX / KX91-3L Series |
Not specified |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number |
Manufacturer / Brand |
| 101211-1180 |
Denso |
| 101211-1360 |
Denso |
| 101211-1361 |
Denso |
| 9761219-118 |
Denso |
| 9761219-136 |
Denso |
| 3A011-74010 |
Kubota |
| 3A011-74011 |
Kubota |
| 3A011-74012 |
Kubota |
| 3A011-74013 |
Kubota |
| 3A011-74014 |
Kubota |
| 6C140-59213 |
Kubota |
| 6C140-59214 |
Kubota |
| 77700-02603 |
Kubota |
| T1060-15680 |
Kubota |
| T1060-15681 |
Kubota |
| T1060-15682 |
Kubota |
| 12338 |
Lester |
| 12339 |
Lester |
| LRA03999 |
Lucas Electric |
Frequently Asked Questions
Will this fit my Kubota tractor without modification?
Yes, this unit is built to OEM specifications and bolts directly into the standard mounting points used across the compatible Kubota B, L and M Series tractor range.
What's included?
The alternator unit only.
How can I tell my alternator has failed?
Signs include a charge warning light, a battery that will not hold charge, dimming lights, or unusual noise from the unit.
How do I confirm this is the right alternator for my exact model?
Compare the OEM part number stamped on your original alternator against the cross-reference table above before ordering, as pulley and mounting details can vary between individual Kubota model years.
Dispatched from the UK · 12-month warranty · Fitment support from our technical team
