ATG20941 Alternator 1257344GT  fits Deutz TCD2012 L04-2V

Key Specifications:

• Primary Part Numbers:

• ATG20941

• 70030378 (J.C. Bamford / JCB)

• 01184025, 1184028, M1184028 (Deutz OEM)

• 3972863M1 (AGCO)

• 1257344GT (Genie)

• 70025533 (JLG)

• Aftermarket Equivalents:

• ISKRA / LETRIKA: 11.204.137, 11.204.717, 11.204.779, AAK3869, AAK4954, AAK4990, IA1473

• MAHLE: MG165

• LESTER: 11839

• WILSON: 90236586

• KHD (Kögel): 1183868, 4123607, 4124782, 4124784

• Voltage: 12V

• Amperage: 120A (High output for demanding electrical systems)

• Regulator Type: Internal (Simplified wiring)

• Fan Type: External (Efficient cooling)

• Rotation: Clockwise (CW / Right-Hand)

• Replaces: Iskra / Mahle units

Compatible Applications:

• Deutz TCD2012 L04-2V engines

• Used in JCB, JLG, Genie, AGCO, and other machinery

• Fits equipment requiring a 12V, 120A alternator with external fan cooling

Features:

 High Output (120A) – Supports heavy electrical loads
 Internally Regulated – No external voltage regulator needed
 Durable Construction – ISKRA/MAHLE-based design
 External Fan Cooling – Better heat dissipation for long lifespan
 Clockwise Rotation – Standard for most Deutz applications

Installation Notes:

• Verify mounting points, pulley size, and connector type before installation.

• Ensure rotation direction (CW) matches the engine’s requirements.

• Compatible with 12V systems only (not for 24V applications).