
Spare parts service and custom fabrication for vintage tractors, agricultural and construction machinery including injection pump service.

H·L·O Ersatzteilservice
RatingenNew on Amplifa
About H·L·O Ersatzteilservice
H·L·O Ersatzteilservice in Ratingen specializes in spare parts and service for agricultural and construction machinery, especially vintage tractors from Güldner, Deutz, Hanomag, IHC, Schlüter, Eicher, Fendt, Porsche-Diesel, MWM and ZF. The product range includes injection pumps (Bosch VA/VE/VP, in-line and distributor injection pumps, Roosa Master, CAV, Stanadyne, Lucas, Natter and others), oil filter conversion kits from gap filter to micro screw-in filter cartridge, cylinder head gaskets as well as brake and clutch linings. In-house remanufacturing of mechanical components such as gears, housings and shafts is performed to drawing or sample by turning, milling, drilling and welding, manually or with CNC, supplemented by CAD and 3D printing. The equipment includes milling and turning machines, a CNC milling machine and CNC lathe, a 3D printer and an injection pump test bench. In addition, the company offers restoration, maintenance and repair of vintage tractors, hydraulic spare parts and parts procurement via Granit/Fricke catalogs as well as an online shop for spare parts sales and shipping.
- Site
- Ratingen
- Processes
- Injection pump repair and service (distributor and in-line injection pumps), Remanufacturing of mechanical components by turning, Remanufacturing of mechanical components by milling (manual and CNC), Remanufacturing of mechanical components by drilling, Remanufacturing of mechanical components by welding, 3D printing (with CAD), Custom fabrication to drawing or sample (e.g. gears, housings, shafts), Gear manufacturing
- Materials
- Sintered metal
- Certificates
- Injection pump test bench, Crankshaft crack testing
- Industries
- Agricultural machinery/agricultural technology (vintage tractors), Construction machinery, Engine/spare parts trade, Injection pump technology, Soil cultivation and grassland technology
- 01
Inquiry by drawing or sample
- 02
Machining (turning, milling, drilling, CNC)
- 03
Welding / CAD and 3D printing
- 04
Testing (injection pump test bench)
- 05
Spare parts sales and shipping
Materials & Processes
Sintered metal
Used for sintered linings in clutch linings and gaskets by type, sample or drawing.
Locations

Ratingen
DECompany headquarters, spare parts service and manufacturing
- Milling machine
- Lathe
- CNC milling machine
- CNC lathe
- 3D printer
- Injection pump test bench
Components




Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Injection pump repair and service (distributor and in-line injection pumps)Engineering | – | – | – | – | – |
| Remanufacturing of mechanical components by turningMachining | – | – | – | – | – |
| Remanufacturing of mechanical components by milling (manual and CNC)Machining | – | – | – | – | – |
| Remanufacturing of mechanical components by drillingMachining | – | – | – | – | – |
| Remanufacturing of mechanical components by weldingJoining | – | – | – | – | – |
| 3D printing (with CAD)Additive | – | – | – | – | – |
| Custom fabrication to drawing or sample (e.g. gears, housings, shafts)Engineering | – | – | – | – | – |
| Gear manufacturingMachining | – | – | – | – | – |
| Manufacture of cylinder head gaskets, brake and clutch linings by type specification, sample orEngineering | – | – | – | – | Sinter |
| Crankshaft straightening, crack testing, grindingTesting | – | – | – | – | – |
| Hollow shaft and drive shaft repairAssembly | – | – | – | – | – |
| Restoration, repair, maintenance, servicing of vintage tractorsAssembly | – | – | – | – | – |
| Oil filter conversion (gap filter to micro screw-in filter cartridge)Assembly | – | – | – | – | – |
| Valve seat milling / re-machiningMachining | – | – | – | – | – |
| Injection pump test benchTesting | – | – | – | – | – |
6 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Milling machine | – | – | – | – | Ratingen |
| Lathe | – | – | – | – | Ratingen |
| CNC milling machine | – | – | – | – | Ratingen |
| CNC lathe | – | – | – | – | Ratingen |
| 3D printer | – | – | – | – | Ratingen |
| Injection pump test bench | – | – | – | – | Ratingen |
Additional services
Quality
Crankshafts are straightened, crack-tested and ground; injection pumps are tested on the in-house test bench.
| Evidence | Ratingen |
|---|---|
| Injection pump test bench | |
| Crankshaft crack testing |