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Deutz BF6M1013EC Engine

The Deutz BF6M1013EC is a water-cooled, 6-cylinder, inline diesel engine equipped with turbocharging and charge air cooling (intercooling). Engineered for heavy-duty applications, this engine is widely utilized in construction equipment, agricultural machinery, and stationary power generation.
It features an robust cast-iron cylinder block with individual unit injection pumps (PLD system) driven directly by the camshaft. This design ensures high injection pressures and optimized combustion efficiency.

The BF6M1013EC designation indicates the following configuration: B - represents turbocharging. F - signifies a high-speed four-stroke engine. 6 - denotes the number of cylinders. M - indicates liquid cooling. 1013 - is the specific Deutz engine family series. E - highlights the external charge air cooler. C - specifies the integration of an integrated cooling system. The cylinder bore is 108 mm. The piston stroke is 130 mm. The total engine displacement equates to 7.15 liters.

The engine utilizes an overhead valve (OHV) configuration with 2 valves per cylinder (1 intake valve and 1 exhaust valve). The valves are arranged vertically in the cylinder head and are operated via pushrods and rocker arms actuated by a gear-driven camshaft located in the engine block. Valve clearance must be checked and adjusted periodically according to service specifications on a cold engine.

The fuel system uses an advanced Deutz PLD (Pump-Line-Nozzle) unit injection system. Each individual cylinder features its own high-pressure injection pump integrated directly into the crankcase. These unit pumps are mechanically driven by an additional lobe on the engine camshaft. Short, equal-length high-pressure fuel lines connect each pump to its respective multi-hole injection nozzle. Fuel delivery and timing are controlled either mechanically via a centrifugal governor or electronically via an engine management unit, optimizing fuel atomization and reducing exhaust emissions.

Lubrication is managed via a forced-feed circulation system pressurized by a gear-driven oil pump. The system incorporates an integrated oil cooler, a spin-on full-flow oil filter, and a bypass valve to ensure continuous lubrication in the event of filter restriction. Oil is distributed through internal galleries directly to the main bearings, connecting rod bearings, camshaft journals, and the valve train. Piston cooling jets are integrated into the main oil gallery to spray oil onto the underside of the pistons for thermal regulation.

The engine uses a closed liquid-cooling circuit forced by a centrifugal coolant pump. The system integrates a thermostat housing with a bypass function to manage quick engine warm-up. Temperature control is maintained via a heavy-duty radiator and a belt-driven cooling fan. Additionally, the engine features a charge air cooler (intercooler) that reduces the temperature of compressed air from the turbocharger before it enters the intake manifold, increasing oxygen density for combustion.

General Technical Data

Engine Specifications

Engine Model ............... Deutz BF6M1013EC
Engine Type ............... 4-cycle inline 6-cylinder direct injection liquid-cooled diesel
Number of Cylinders ............... 6
Cylinder Arrangement ............... In-line
Engine Bore, in (mm) ............... 4.25 (108.0)
Engine Stroke, in (mm) ............... 5.12 (130.0)
Displacement, cu.in (L) ............... 435 (7.15)
Rated Engine Power, hp (kW) ............... 235 (175)
Rated Engine Speed, rpm ............... 2300
Peak Torque ............... 854 Nm (630 lb-ft) at 1400 rpm
Minimum Idling Speed, rpm ............... 650-700
Aspiration Type ............... Turbocharged with charge air cooling
Compression Ratio ............... 17.5:1
Firing Order ............... 1-5-3-6-2-4
Combustion System ............... Direct injection
Cylinder Block Material ............... Cast iron
Cylinder Head Material ............... Cast iron
Cylinder Liners ............... Wet exchangeable cylinder liners
Lubrication System ............... Forced-feed lubrication with gear pump
Oil Pump Type ............... Gear-driven
Oil Filter Type ............... Full-flow spin-on cartridge
Cooling System ............... Liquid-cooled
Water Pump Type ............... Gear-driven centrifugal pump
Air Cleaner Type ............... Dry dual-stage with safety element
Starting System ............... Electric starter motor
Electrical System Voltage, V ............... 12 or 24
Alternator Rating, A ............... 55 or 80

Fuel System

Injection System Type ............... Integrated high-pressure single injection pumps
Injection Pump Model ............... Bosch unit pumps (Deutz plug-in system)
Number of Injection Pumps ............... 6
Fuel Feed Pump Type ............... Mechanical gear pump
Fuel Feed Pump Pressure, psi (bar) ............... 58.0-72.5 (4.0-5.0)
Fuel Injection Pressure, psi (bar) ............... 23200 (1600)
Injection Nozzle Type ............... Multi-hole nozzle
Governor Type ............... Mechanical centrifugal or electronic
Fuel Filter Type ............... Spin-on cartridge
Water Separator ............... Integrated in primary filter line
Nozzle Opening Pressure, psi (bar) ............... 3625 (250)

Dimensions and Weight

Overall Length (front pulley face to flywheel housing flange), in (mm) ............... 40.4 (1025)
Overall Width (exhaust manifold to injection pump side), in (mm) ............... 24.5 (620)
Overall Height (oil pan bottom to intake manifold top), in (mm) ............... 37.2 (945)
Dry Weight (without flywheel, cooling system), lbs (kg) ............... 1275 (580)

Maintenance Data

Service Information

Oil Pressure at Idle Speed, psi (bar) ............... 11.6 (0.8)
Oil Pressure at Rated Speed, psi (bar) ............... 43.5 (3.0)
Thermostat Opening Temperature, F (C) ............... 181 (83)
Thermostat Full Open Temperature, F (C) ............... 203 (95)
Max LOil Temperature in Oil Pan, F (C) ............... 257 (125)
Intake Valve Clearance, in (mm) ............... 0.012 (0.30)
Exhaust Valve Clearance, in (mm) ............... 0.020 (0.50)

Engine Oil and Coolant

Engine Oil Type .................. SAE 10W-30, 15W-40
API Service Classifications ......................... CH-4, CI-4
Engine Oil Capacity, gal (L) ............... 4.8 (18.0)
Coolant Capacity, gal (L) ............... 3.7 (14.0)

Service Intervals

Change oil and filter ............... Every 500 hours
Replace fuel filters ............... Every 500 hours
Inspect air filter ............... Every 100 hours
Change coolant ............... Every 2 years
Replace air filter ............... Every 1000 hours
Valve clearance adjustment ............... Every 1000 hours
Change coolant ............... 1000 hours or 2 years
Fuel system inspection ............... Every 1500 hours
Compression test ............... Every 3000 hours
Drain water separator ............... As required
Belt inspection ............... As required

Service Specifications

Cylinder Bore Inside Diameter, in (mm) ................ 4.2520 (108.00)
Crankshaft Journal Outside Diameter, in (mm) ................ 3.5433 (90.00)
Crank Pin Outside Diameter, in (mm) ................ 2.5984 (66.00)
Crankshaft End Play, in (mm) ................ 0.0039-0.0118 (0.10-0.30)
Intake Valve Stem Outside Diameter, in (mm) ................ 0.3142 (7.98)
Exhaust Valve Stem Outside Diameter, in (mm) ................ 0.3134 (7.96)
Intake Valve Guide Inside Diameter, in (mm) ................ 0.3150 (8.00)
Exhaust Valve Guide Inside Diameter, in (mm) ................ 0.3150 (8.00)
Intake Valve Stem to Guide Clearance, in (mm) ................ 0.0047 (0.12)
Exhaust Valve Stem to Guide Clearance, in (mm) ................ 0.0059 (0.15)
Intake Valve Spring Free Length, in (mm) ................ 2.3228 (59.00)
Exhaust Valve Spring Free Length, in (mm) ................ 2.3228 (59.00)
Intake Cam Height, in (mm) ................ 2.2244 (56.50)
Exhaust Cam Height, in (mm) ................ 2.2244 (56.50)
Piston Pin Outside Diameter, in (mm) ................ 1.6535 (42.00)
Piston Pin to Piston Bore Clearance, in (mm) ................ 0.00016-0.00055 (0.004-0.014)
Top Ring Side Clearance, in (mm) ................ 0.0035-0.0047 (0.09-0.12)
Second Ring Side Clearance, in (mm) ................ 0.0024-0.0037 (0.06-0.095)
Oil Ring Side Clearance, in (mm) ................ 0.0016-0.0028 (0.04-0.072)
Top Ring End Gap, in (mm) ................ 0.0354 (0.90)
Second Ring End Gap, in (mm) ................ 0.0787 (2.00)
Oil Ring End Gap, in (mm) ................ 0.0472 (1.20)

Tightening Torque Specs

Cylinder Head Bolts, Step 1 ................ 80 Nm (59 lb-ft)
Cylinder Head Bolts, Step 2 ................ 160 Nm (118 lb-ft)
Crankshaft Damper Pulley Bolt ................ 350-370 Nm (258-273 lb-ft)
Connecting Rod Cap Bolts ................ 60-65 Nm (44-48 lb-ft)
Main Bearing Cap Bolts, Step 1 ................ 120 Nm (89 lb-ft)
Main Bearing Cap Bolts, Step 2 ................ 250 Nm (184 lb-ft)
Flywheel Bolts ................ 90-100 Nm (66-74 lb-ft)
Camshaft Drive Gear Bolt ................ 80-90 Nm (59-66 lb-ft)
Camshaft Bearing Cap Bolts ................ 25-30 Nm (18-22 lb-ft)
Rocker Arm Shaft Mounting Bolts ................ 30-35 Nm (22-26 lb-ft)
Valve Cover Bolts ................ 8-10 Nm (6-7 lb-ft)
Intake Manifold Bolts ................ 25-30 Nm (18-22 lb-ft)
Exhaust Manifold Nuts ................ 35-40 Nm (26-30 lb-ft)
Turbocharger Mounting Nuts ................ 40-45 Nm (30-33 lb-ft)
Turbocharger Oil Feed Line ................ 20-25 Nm (15-18 lb-ft)
Oil Pan Bolts ................ 8-12 Nm (6-9 lb-ft)
Injection Pump Mounting Bolts (individual pumps) ................ 15-20 Nm (11-15 lb-ft)
Fuel Injector Clamp Bolts ................ 25-30 Nm (18-22 lb-ft)
Glow Plugs ................ 20-25 Nm (15-18 lb-ft)
Water Pump Mounting Bolts ................ 20-25 Nm (15-18 lb-ft)
Thermostat Housing Bolts ................ 8-12 Nm (6-9 lb-ft)
Starter Motor Mounting Bolts ................ 45-50 Nm (33-37 lb-ft)
Alternator Mounting Bracket Bolts ................ 30-35 Nm (22-26 lb-ft)
Engine Mounts (to block) ................ 60-70 Nm (44-52 lb-ft)

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• Deutz Engines Specs
  
• Deutz BF4M1013C Specs
  
• Deutz BF4M1013EC Specs
  
• Deutz BF4M1013FC Specs
  
• Deutz BF6M1013ECP Specs
  
• Deutz BF6M1013FC Specs
  

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