6135HFC95 13.5L Industrial Diesel Engine

6135HFC95 13.5L Industrial Diesel Engine


  • 13.5L PowerTech™ PSX
  • 298 - 448 kW (400 - 600 hp)
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Series turbocharger

  • Fresh air is first drawn into the low-pressure turbocharger (fixed geometry) and compressed to a higher pressure. The compressed air is then drawn into the high-pressure turbocharger (VGT), where the air is further compressed. The high-pressure air is then routed through a charge air cooler and into the engine's intake manifold. By splitting the work between two turbochargers, both can operate at peak efficiency and at slower rotating speeds — lowering stress on turbocharger components and improving reliability. Series turbocharging delivers more boost pressure than single turbocharger configurations, which results in higher power density, improved low-speed torque, and improved high altitude operation.

Cooled exhaust gas recirculation (EGR)

  • EGR cools and mixes measured amounts of cooled exhaust gas with incoming fresh air to lower peak combustion temperatures, thereby reducing NOx.

Electronic unit injectors (EUI) and engine control unit (ECU)

  • The EUI fuel system provides higher injection pressures up to 2,275 bar (33,000 psi). One ECU controls the exhaust filter, as well as fuel system and provides precise control for the start, duration, and end of injection.

Exhaust filters

  • These engines utilize a catalyzed exhaust filter that contains a diesel oxidation catalyst (DOC) and a diesel particulate filter (DPF). The DOC reacts with exhaust gases to reduce carbon monoxide, hydrocarbons, and some particulate matter (PM). The downstream DPF traps and holds the remaining PM. Trapped particles are oxidized within the DPF through a continuous cleaning process called passive regeneration. Passive regeneration occurs during normal operating conditions when heat from the exhaust stream and catalysts within the exhaust filter trigger the oxidation of the trapped PM. If passive regeneration cannot be achieved due to low temperature, load, or speed, then PM is removed using active regeneration — an automatic cleaning process controlled by the exhaust temperature management system.

4-valve cylinder head

  • The 4-valve cylinder head provides excellent airfow resulting in greater low-speed torque and better transient response time by utilizing a cross-flow design.

Air-to-air aftercooled

  • This is the most efficient method of cooling intake air to help reduce engine emissions. It enables an engine to meet emissions regulations with better fuel economy and the lowest installed costs.

Engine performance

  • Multiple rated speeds to further reduce noise and improve fuel economy
  • Higher level of peak torque
  • Optional power bulge

Compact size

  • Lower installed cost
  • Simplifies installation
  • Mounting points are the same as previous engine models

Additional features

  • 500-hour oil change
  • Self-adjusting poly-vee fan drive
  • Variable-speed fan drive increases fuel economy and decreases noise levels
  • Single-piece low-friction steel piston
  • Directed top-liner cooling
  • Low-pressure fuel system with electrical transfer pump and "auto-prime" feature


Emissions certifications

EPA Interim Tier 4
EU Stage III B

General engine data

Model 6135HFC95
Number of cylinders 6
Displacement-- L (cu in) 13.5 (824)
Bore and Stroke-- mm (in) 132 x 165 (5.20 x 6.50)
Compression Ratio 15.3 : 1
Engine Type In-line, 4-Cycle
Aspiration Turbocharged and air-to-air aftercooled
Length - mm (in) 1544.2 (60.8)
Width-- mm (in) 962.3 (37.9)
Height-- mm (in) 1547.9 (60.9)
Weight, dry - kg (lb) 1678 (3699)

DOC/DPF Dimensions

Size 8 - Diameter - mm (in) 406.9 (16.0)
Size 8 - Length - mm (in) 951.6 (37.5)
Size 8 - Weight - kg (lb) 170 (374.8)

Performance data range

Intermittent - Rated power/Rated speed 373-448 kW (500-600 hp) @1900-2100 rpm
Intermittent - Peak power 433-460 kW (581-617 hp) @1600-1900 rpm
Intermittent - Power bulge 3-12 % @1700-1900 rpm
Intermittent - Peak torque 2644-2660 N·m (1950-1962 ft-lb) @1500-1600 rpm
Intermittent - Torque rise 31-41%
Heavy Duty - Rated power/Rated speed 373-392 kW (500-525 hp) @2100 rpm
Heavy Duty - Peak power 413-418 kW (554-561 hp) @1700-1900 rpm
Heavy Duty - Power bulge 4-12 % @1900 rpm
Heavy Duty - Peak torque 2394-2520 N·m (1766-1859 ft-lb) @1500 rpm
Heavy Duty - Torque rise 41%
Continuous - Rated power/Rated speed 298-373 kW (400-500 hp) @1900-2100 rpm
Continuous - Peak power 346-394 kW (464-528 hp) @1600-1700 rpm
Continuous - Power bulge 4-14 % @1700-1900 rpm
Continuous - Peak torque 2112-2394 N·m (1558-1766 ft-lb) @1500 rpm
Continuous - Torque rise 41%