Shandong Shengyue Technology Development Co.,Ltd is one of the most professional yanmar 4tne98 series industrial-grade inline-4 water-cooled diesel engine 4tne98-snm 4tne98-bqflc manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
Basic Mechanical Architecture
| Parameter Dimension | 4TNE98-SNM (Hyster/Yale Forklift Dedicated) | 4TNE98-BQFLC (HELI/Hangcha Heavy-Duty Forklift) |
|---|---|---|
| Engine Type | In-line, Water-cooled, 4-stroke Diesel Engine | In-line, Water-cooled, 4-stroke Diesel Engine |
| Number of Cylinders | 4 Cylinders | 4 Cylinders |
| Bore × Stroke | 98 mm × 110 mm | 98 mm × 110 mm |
| Total Displacement | 3.319 L | 3.319 L |
| Aspiration | Naturally Aspirated | Naturally Aspirated |
| Valvetrain Structure | 2 Valves per Cylinder (OHV - Overhead Valve) | 2 Valves per Cylinder (OHV - Overhead Valve) |
| Engine Net Weight | Approx. 225 kg (Varies slightly with flywheel housing) | Approx. 230 kg (With heavy-duty large capacity oil pan) |
Power & Combustion Performance
| Parameter Dimension | 4TNE98-SNM | 4TNE98-BQFLC |
|---|---|---|
| Rated Power | 42.1 kW (57.2 hp) | 43.0 kW (58.5 hp) |
| Rated Speed | 2300 RPM | 2300 RPM |
| Maximum Torque | Approx. 196 N·m | Approx. 205 N·m |
| Max. Torque Speed | 1600 RPM | 1500 - 1600 RPM (Slightly optimized low-end torque) |
| Combustion Chamber Type | Indirect Injection (IDI - Swirl Chamber Type) | Indirect Injection (IDI) / Stage III minor updates |
| Compression Ratio | 22.0 : 1 | 22.0 : 1 |
| Rotation (Facing Flywheel) | Counter-Clockwise (CCW) | Counter-Clockwise (CCW) |
Electrical & Auxiliary Systems
| Parameter Dimension | 4TNE98-SNM (US/Euro Vehicle Specs) | 4TNE98-BQFLC (Asia-Pacific Heavy-Duty Specs) |
|---|---|---|
| System Voltage | 12 V Standard Control | 12 V (24 V optional for specific machinery) |
| Starter Motor Power | 12 V / 2.3 kW or 3.0 kW | 12 V / 3.0 kW (Heavy-duty cold start type) |
| Alternator Capacity | 12 V / 40 A or 55 A | 12 V / 60 A (Supports more electronic accessories) |
| Cooling Fan Type | Suction Type / Low-mount position | Pusher Type / High-mount position |
| Flywheel Housing & Interface | Dedicated interface for Hyster/Yale hydraulic transmission | Standard SAE 3# or SAE 4# transmission interface |
Fluid Capacity & Maintenance Specifications
| Parameter Dimension | 4TNE98-SNM | 4TNE98-BQFLC |
|---|---|---|
| Engine Oil Total Capacity | Approx. 9.2 L (Standard Oil Pan) | Approx. 10.5 L (Deep, anti-tilt large capacity oil pan) |
| Coolant Capacity (Engine Only) | Approx. 4.2 L (Excluding external radiator) | Approx. 4.5 L (Excluding external radiator) |
| Oil Pressure (at Rated Speed) | 0.29 - 0.39 MPa (3 - 4 bar) | 0.29 - 0.39 MPa (3 - 4 bar) |
| Min. Oil Pressure (at Idle) | ≥ 0.05 MPa (0.5 bar) | ≥ 0.05 MPa (0.5 bar) |
| Thermostat Opening Temp. | Initial: 71°C / Fully Open: 85°C | Initial: 76.5°C / Fully Open: 90°C (For high-heat environments) |
| Valve Clearance (Cold) | Intake: 0.20 mm / Exhaust: 0.20 mm | Intake: 0.20 mm / Exhaust: 0.20 mm |
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