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The 12PSB-X Diesel Injection Pump Test Stand is the classic standard model in the 12PSB series. It is designed to provide reliable calibration for multi-cylinder mechanical pumps and distributor pumps. Unlike the E-series, the X-series focuses on a compact, standard chassis design suitable for workshops requiring a traditional setup.
Core Capabilities:
Delivery Measurement: Accurately measures fuel delivery of each cylinder at various rotation speeds.
Timing & Interval: Tests the oil supply point and interval angle of the injection pump.
Governor Adjustment: Checks and adjusts mechanical governors for optimal performance.
Distributor Pump Logic: Full testing for distributor pumps, including pressure measurement, oil return (VE), and electromagnetic valve testing (12V/24V).
Compensatory Testing: Adjusts the performance of supercharging and compensatory devices.
System Integrity: Conducts sealing tests on the pump body and validates the internal pressure of distributor pumps.
Optional Functions: Can be equipped to check advance angles and rack travel upon request.


Classic Appearance: Available in standard industry colors—Blue or Yellow-Green—to match your workshop's aesthetic.
Compact Standard Design: A streamlined chassis without extra storage compartments, making it a space-efficient choice for focused calibration work.
Optimized Temperature Control: Integrated with Forced Cooling (Refrigerant: R22) to prevent overheating during intensive testing cycles.
Stable Lubrication: Features a reliable Oil Lubrication system to protect the test bench mechanism.
VE Pump Ready: Includes the VE pump return oil flow meter (Yellow Box) and auto-sucking oil supply functionality.
Pneumatic Support: Built-in gas pump with gas storage function to support various pneumatic testing requirements.


1 | Frequency Drive | A.C. Frequency Drive |
2 | Main Motor | 380V 3 phase 15HP(11KW) |
3 | No.of Cylinders | 12 Cylinders |
4 | Tachometer | Electronic Digital 0-9999 R.PM. with the accuracy of +-1R.P.M(Both Sides) 100-1200 Strokes( in steps of 100 strokers |
5 | Stroke Counter | 100-1200 Strokes (in steps of 100 strokers) |
6 | Fuel Supply | By vane pump, oil supply pressure 6.3Mpa, displacement 10 mL/r, speed 1450R/min |
7 | Fuel Pump Motors | 1.5 H.P 380V 3 phase |
8 | Pressure Gauge | high pressure: 0~4Mpa low pressure: 0~0.4Mpa internal pressure: 0~1.6Mpa air pressure: 0~0.16Mpa Vacuum:-0.1~0 Mpa |
9 | Speed Range | 20~4000r/min (0, 1, 2, 3~~~9 gears, 10 gears in total),And equipped with manual speed adjustment knob |
10 | Test Injectors | 12 Nos.in 12 cyl Fitted with Calibraling Nozzle set at a standard pressure. |
11 | Phasing pressure | Phasing recorded on degree dial |
12 | Phasing Fuel Tank | 40L |
13 | Simulator | BEI-A Tester with window 7 system |
14 | Inverter | 380V 11KW 3-phase |
15 | DC power supply | 12/24V |
16 | Glass measuring cylinder | 45ML 150ML |
17 | Temperature control range: | 0~99.9℃ (precision 0.5℃) |
