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00-20 SERVICE INFORMATION Item Regulator Type IC Regulating voltage V 28 — 29 14.4 ±0.3 28 — 29 Vacuum pump -66.7kPa (-500 mmHg / -9.67 psi) build- 13 seconds or less at 1,000 rpm 4 seconds or less at 5,000 rpm Maximum vacuum -90.7 kPa (-680 mmHg / -13.1 psi) or more at 5,000 rpm Starter motor Type Magnetic solenoid-controlled Model S25-168 R3.0 S25-168 Rated voltage V 24 12 24 Rated output kW 4 3 4 Load characteristics Terminal voltage V 18.55 14 18.55 Load current A 250 890 (MAX) 250 Torque N ⋅m (kg⋅m / lb⋅ft) 14.22 (1.45 / 10.49) at 1,500 rpm or more 29.4 (2.99 / 21.63) at 860 rpm or more 14.22 (1.45 / 10.49) at 1,500 rpm or more Preheating system Quick-On-Start System II Exhaust system Pipe outside diameter × thickness Front pipe mm (in) 60.5 × 2.0 (2.38 × 0.079) Middle pipe mm (in) 60.5 × 2.0 (2.38 × 0.079) Rear pipe mm (in) 60.5 × 1.6 (2.38 × 0.063) Silencer type Circular section-shell construction of triple skin and end plates, internal construction of baffles and perforated tubes Inside diameter mm (in) Approximately 200 (7.87) Engine Model 4HG1 4HG1-T |