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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £4.99 | 1 to 2 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
Product Number: MG776
The WAI MG776 is a brand-new 12V 170A IR/IF alternator. It is built to LETRIKA (ISKRA) specification, replacing original-equipment units across 11 LETRIKA (ISKRA) references including 11.203.444, 11.204.420, and 11.204.969. It is designed for demanding plant applications where reliable high-output charging is essential.
Manufactured to match the original LETRIKA (ISKRA) design, the MG776 delivers a full 170 amperes of output at 12 volts with an internal regulator and internal fan (IR/IF) configuration. This arrangement keeps the unit compact and self-contained, making installation straightforward on the machines it is designed to replace.
In terms of plant fitment, verified applications include the JCB Hydradig 110W and JCB TM420, both covering the 2017–2021 model years — two JCB applications in total. The Lester catalogue number for this unit is 21658, which can be used to cross-reference fitment and sourcing across the industry.
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PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Type | Alternator |
|---|---|
| Voltage | 12V |
| Output | 170A |
| Design | IR/IF |
| Manufacturer | LETRIKA (ISKRA) |
| Lester | 21658 |
| Condition | Brand New |
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 13152N | A9154S | A9155 | A9221 | 12816N | A9055 | A9055(LETRIKA) | A9158 | A9158(LETRIKA) | A9161(LETRIKA) | A9190 | A9214 | A9214(LETRIKA) | A9219 | A9246(LETRIKA) |
| Voltage | 12 | 12 | 12 | 12 | 12 | 12 | 24 | 24 | |||||||
| Output Current | 65 | 95 | 120 | 65 | 95 | 120 | 50 | 100 | |||||||
| Design | IR/EF | (Iskra) IR | |||||||||||||
| Manufacturer | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | Letrika | ||||
| Pulley | V1 | AP | AP | AP | AP | Without Pulley | |||||||||
| Rotation | CW | CW | |||||||||||||
A. The MG776 replaces 11 LETRIKA (ISKRA) original-equipment references, including 11.203.444, 11.204.420, 11.204.969, 11.205.249, 11.205.374, 11.205.556, AAN5467, AAN5525, AAN5839, AAN8211, and IA1601. Search our cross-referenced catalogue by any of these numbers to confirm suitability for your machine.
A. Verified fitment covers 2 JCB applications: the JCB Hydradig 110W and the JCB TM420, both for model years 2017–2021. Use the selection widget to match your exact machine specification, or search by OEM number or Lester number 21658. Fitment is backed by our Fit Guarantee.
A. The MG776 is a brand-new 12V, 170A alternator with an IR/IF (internal regulator, internal fan) design. It is manufactured by LETRIKA (ISKRA) and carries Lester catalogue number 21658.
A. Use the selection widget to match your make, model and engine, or search our cross-referenced catalogue by OEM number, machine model or equivalent part across brands. If your vehicle is not listed, ask Simon. Every fitment shown is backed by our Fit Guarantee.
A. Yes. Every vehicle and OE cross-reference shown for this part is checked against manufacturer data and backed by our Fit Guarantee. If it is not right, our Fit Guarantee or hassle-free returns have you covered.
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