Restore the electrical integrity of your agricultural machinery with this heavy-duty 120 Amp alternator. Specifically designed for Renault and Claas Ares series tractors, this unit provides a stable and reliable power supply for your vehicle's lighting, hydraulic controls, and onboard electronics.
RELIABILITY: Engineered with high-temperature epoxy and premium bearings to withstand the demanding heat and vibration of agricultural environments.
Key Features
✔ Direct fit for 7700071558
✔ 120 Amp high-output performance
✔ Durable 8-groove serpentine pulley
✔ Internal Regulator & Fan (IR/IF)
Technical Specs
Voltage
12V (14V Charging)
Amperage
120A
Rotation
Clockwise (CW)
Pulley Grooves
8 Grooves (S8)
Pulley Diameter
50mm
Fan/Regulator
Internal (IF/IR)
Compatibility / Fitment Guide
Make
Model / Series
Notes
Claas
Ares 547, 557, 567, 617, 657, 697
Agriculture Tractors
Renault
Ares 540, 546, 550, 556, 566, 610, 616, 620, 626
Check OEM Number
Renault
Ares 630, 636, 640, 696, 710, 715, 720, 725, 735
All 120A variants
Renault
Ares 815, 816, 825, 826, 836
Heavy Duty Models
OEM Cross Reference
Claas / Renault
7700071558, 77-00-071-558
Letrika (Iskra)
11.203.281, IA1161, AAK5533
Mahle
MG339, MG 339
Bosch
0124515037, 0-124-515-037
Lucas
LRA03663, LRA3663
DB Electrical
400-29046
Questions & Answers
Is this a genuine original part?
This is a premium quality 4Drive aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.
How do I know if it is compatible?
Check the part number on your existing alternator. If it matches 7700071558, 11.203.281, or IA1161, this unit is a guaranteed direct replacement.
Does it come with the pulley attached?
Yes, this unit comes complete with a pre-installed 8-groove serpentine pulley (50mm diameter) for a ready-to-install solution.
Note: 4drive.co.uk recommends verifying your original part number against the cross-reference list before purchasing.
