JCB Power Systems – 4 Cylinder Diesel Engine Test Cell

Spin designed and manufactured a complete QA dynamometer test cell facility for production hot test of Tier III and Tier IV JCB 4 Cylinder Diesel Engines.

Multiple engine variants can be tested in one cell with engine selection by barcode identification.  Included is a universal pneumatic exhaust connection system that can be easily adapted for different size turbo/compressor assemblies.

Test result data is synchronised with the existing customer server/SAP system.

Test Cell includes the following:


  • Test cell ventilation system
  • Engine exhaust system
  • Diesel fuel system with selectable fuel pressure
  • Engine coolant system with closed loop cooler and additive dosing
  • AC Dynamometer and inverter drive control system
  • Engine PCM control interface – including CAN and J1939 protocols
  • Engine test stand with quick release fluid connections
  • Engine pallet system for quick rig and automatic docking with test cell
  • SpinTest control and data system with Siemens S7 PLC and PC with Win CC SCADA HMI
  • Barcode scanning and engine file data storage
  • Host server data system

PControl System Attributes

  • Industrial quick connectors were installed in the test cell for secure attachment to the engine fitted ECU (vehicle side), providing power and communications.  This included a KWP and J1939 interface with ECU’s 
  • New customisable Operator Screens
  • Selectable channel trend screens and many more features  
  • Display of up to 32 ECU channels simultaneously and up to 10 P’ Codes  
  • New SpinTest data manager tools for ECU channel & P Code management and process including enable/disable/shutdown configuration, warnings and alarms for active P’Codes and PID’s.


Spin also carried out a complete refurbishment of existing test cells to match the standard of the new facility including:


  • Hydraulic cylinder servicing
  • Test bed re-wire
  • Replacement of driveline location bungs
  • Realignment of shaft support
  • Upgrade of water and fuel system
  • Re-design of rigging connectors
  • Replacement of control system
  • Instrumentation
  • Replacement of engine interface wiring & enclosure.

Maintenance Contracts

Spin provide ongoing annual maintenance contracts for all machinery installed including:


  • Calibration
  • Production support
  • Ongoing advice.