vechile heater

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Product details

SP45Y Shantui pipelayer machine fuel heater YJ-Q16.32AS

Shantui SP45Y/SP45YS (45-ton Pipelayer, NT855 Engine) Winter Cold-Start Coolant Pre-heater (Fuel-fired parking liquid heater)

Key Specifications

Model: YJ-Q16.3/2AS (often abbreviated as YJ-Q16.3.2AS)

Rated Thermal Power: 16.3 kW

Operating Voltage: DC 24V (matches the SP45Y's 24V electrical system)

Motor Power Consumption: 105 W

Fuel: No. 0 / -10 / -20 Light Diesel

Fuel Consumption: 1.78 kg/h

Circulating Water Pump Flow Rate: 4000 L/h

Net Weight: Approx. 18 kg

Temperature Control Range: Dual-stage thermostatic control (60–70°C / 65–78°C)

Operating Altitude: ≤5000 m

Noise Level: ≤55 dB

Functional Description

1. Heats engine coolant to facilitate cold starts in low-temperature environments while simultaneously providing cabin heating;

2. Fully automatic microcontroller control featuring startup self-diagnosis and fault code alerts;

3. Comprehensive protection system: Over-voltage/under-voltage protection; short-circuit/open-circuit protection for glow plug, solenoid valve, and ignition sensor;

4. Combustion efficiency ≥80%; independent water circulation loop integrated with the engine cooling system.

Compatible Models

Shantui SP45Y Pipelayer (equipped with Cummins NT855-C280S10 engine); standard pre-heating equipment for pipeline construction in extremely cold regions. List of Wearable Spare Parts (YJ-Q16.3/2AS Maintenance Kit)

Glow plug (igniter)

Fuel solenoid valve

Fuel pump

Water circulation pump

Combustion chamber, thermal insulation pad

Temperature sensor, overheat protection probe

Control mainboard, wiring harness, switch panel

Quick Fault Diagnosis

1. Fuel and power present but fails to ignite → Check glow plug and fuel pump first;

2. Shuts down automatically a few seconds after ignition → Flame sensor issue; intake/exhaust blockage;

3. No circulation and water temperature fails to rise → Circulation pump seized;

4. Frequent voltage fault alerts → Vehicle battery issue or loose wiring connections.

Shandong OCEAN Company specializes in the sale of Shantui spare parts, including: excavator spare parts, hydraulic main pumps, Komatsu travel motors, excavator travel motors, bulldozer spare parts, bulldozer track shoes, hydraulic servo valve assemblies, hydraulic pumps, wheel loader parts, engine radiators, hydraulic oil filters, motor grader cutting edges, Caterpillar cutting edges, sprocket assemblies, etc. We offer high-quality genuine and OEM spare parts.

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