Overview
The Osram 64156 is a precision halogen lamp engineered for industrial, construction, and vehicular lighting in 24V systems. As part of OSRAM’s ORIGINAL LINE, this bulb balances performance, cost-effectiveness, and durability. Featuring a T3.25 bulb shape and single-ended PK22s base, the 64156 delivers consistent light output across demanding applications.
Key Features
- 70W rated power at 24V — efficient operation in commercial truck headlights and industrial spotlights
- 1750 lumens output with 3200K color temperature for clear, white illumination
- PK22s base — single-ended flange mount for secure, quick installation
- T3.25 bulb shape — compact form factor suitable for confined fixture spaces
- OEM quality — used as original equipment in renowned heavy equipment and vehicle manufacturers
- Wire with connector (new design) — simplifies installation and ensures reliable electrical contact
Technical Specifications
- Lamp Type: H3
- Voltage: 24V DC
- Power: 70W
- Base Type: PK22s (single-ended)
- Light Output: 1750 lumens (±15%)
- Color Temperature: 3200K
- Bulb Shape: T3.25
- Diameter: 11.5 mm
- Length: 42 mm
- Weight: 6.90 g
- Rated Average Life: 400 hours (standard), 600–650 hours (extended rating)
- Maximum Power: 84W
- Filament Type: C-6 (clear)
- Manufacturer: OSRAM
- Part Number: 64156 (also referenced as 31415)
Typical Applications
- Heavy-duty vehicle lighting: Truck headlights and spotlights requiring high-output 24V lamps
- Construction equipment: Excavators, loaders, dozers, and harvester machinery
- Industrial work lights: Warehouses, manufacturing floors, and outdoor industrial facilities
- Agricultural machinery: Combines, tractors, and other farm equipment with 24V electrical systems
- Specialty spotlights: Medical, theatrical, or industrial inspection lighting in 24V systems
Compatibility & Replacements
Compatible With
- 24V electrical systems in trucks, buses, and heavy machinery
- PK22s base sockets and H3 lamp fixtures
- IVECO, MERCEDES-BENZ, JENBACHER, and OEM heavy-equipment manufacturers
- Jones & Lamson and Meteor Harvester equipment
- Industrial 24V work light assemblies and spotlights
Replaces / Drop-In Replacement For
- OSRAM 31415 (alternative OSRAM part number for same bulb)
- Equivalent H3 24V 70W PK22s halogen lamps from competing brands
Works With
- Standard 24V DC electrical circuits with 70W capacity
- H3-base lamp fixtures (automotive and industrial)
- PK22s single-ended mounts
- Ballast or direct 24V operation (no ballast required for 70W rated specification)




