HATZ 1B-SERIES DIESEL ENGINES:
1B20 243cc Single-Cyl 69x65mm ~4.7HP
1B27 280cc Single-Cyl 74x65mm
1B30 347cc Single-Cyl 80x69mm ~6.7HP
1B40 462cc Single-Cyl 88x76mm ~10.2HP
1B50 517cc Single-Cyl 93x76mm ~11.6HP
All: Air-cooled 4-stroke direct injection diesel

TYPICAL EQUIPMENT:
Generators / Light Towers / Welders / Pressure Washers
Compactors / Vibrating Plates / Pumps / Hydraulic Units
Agricultural / Turf Care / Industrial / Stationary Power

OEM PART NUMBERS:
Iskra: IS1151 / IS1021 / AZE1241
Iskra: 11.131.059 / 11131059 / 11.131.530 / 11131530
Hatz: 50497201

SPECIFICATIONS:
Type: PMDD (OEM Iskra/Letrika) / 12V / 1kW / CCW / 8 Teeth
Mount Flange: 66mm / Total Length: 202mm / Weight: 8 lbs
Must re-use OE mounting brackets from original starter

12V 1kW PMDD Starter — Hatz 1B20 1B27 1B30 1B40 1B50 Single-Cylinder Diesel OEM Iskra:
New OEM Iskra/Letrika 12-volt 1kW PMDD (Permanent Magnet Direct Drive) starter for Hatz 1B-series single-cylinder air-cooled 4-stroke direct injection diesel engines. Covers the complete Hatz 1B family: 1B20 (243cc, 69x65mm, ~4.7HP), 1B27 (280cc, 74x65mm), 1B30 (347cc, 80x69mm, ~6.7HP), 1B40 (462cc, 88x76mm, ~10.2HP), and 1B50 (517cc, 93x76mm, ~11.6HP). Hatz engines are German-manufactured by Motorenfabrik Hatz (Ruhstorf, Germany) and renowned for exceptional reliability and long service life across generators, light towers, compactors, welders, pumps, and agricultural equipment. CCW rotation with 8-tooth drive. 66mm mount flange, 202mm total length. IMPORTANT: Must re-use original OE mounting brackets from old starter. 8 lbs.
⚠️ IMPORTANT: Sold by part number only. Verify OEM part number and re-use original mounting brackets.