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Deutz BF4M1013EC Engine

The Deutz BF4M1013EC is a highly durable, liquid-cooled, in-line 4-cylinder diesel engine engineered by Deutz AG for industrial applications, mobile machinery, and power generation. Operating as a four-stroke unit, the engine layout designates its designator codes as: B for turbocharging, F for high-speed operation, 4 for the cylinder count, M for liquid cooling, 1013 as the engine series, and EC for its specific charge-air cooling configuration. It features a robust grey cast-iron crankcase and an integrated block-type cylinder head with an overhead valve mechanism actuated via a low-mounted camshaft. Known for its compact footprint, high power density, and modular service points consolidated on a single side, the engine utilizes wet, exchangeable cylinder liners exposed directly to coolant flow for optimized heat dissipation and simplified overhaul procedures.

The cylinder head assembly employs an overhead valve (OHV) configuration driven by a single gear-driven camshaft located in the crankcase. Force transmission utilizes pushrods and rocker arms acting on the valvetrain. The design standard allocates 2 valves per cylinder (1 intake valve and 1 exhaust valve), sealed against a durable block-type grey cast iron cylinder head. The engine has a total displacement of 4.764 liters (290.7 cubic inches). Geometry parameters measure exactly 108 mm (4.25 in) for the cylinder bore and 130 mm (5.12 in) for the piston stroke.

Fuel delivery utilizes an integrated high-pressure unit pump system (UPS). Rather than a single common rail pump, individual mechanical injection pumps are integrated directly into the crankcase for each cylinder, actuated by secondary lobes on the main camshaft. A low-pressure fuel lift pump driven via the main accessory belt delivers fuel through a primary filter assembly into the individual unit pumps. The system uses direct injection into the piston combustion chambers, managed by either a mechanical speed governor or an optional Electronic Motor Regulator (EMR) supporting CAN-Bus diagnostic networks.

Lubrication uses a pressurized forced-feed circulation system driven by an internal, gear-type oil pump. Oil conditioning features a paper-type microfilter cartridge filtering the full flow, alongside an integrated lube oil cooler embedded directly within the main engine coolant circuit to stabilize fluid temperatures under thermal load. Structural heat management includes dedicated piston cooling jets that spray engine oil directly into the channel-cooled piston under-crowns. Thermostatically regulated liquid cooling system designed for variable heat dissipation. The cooling fluid circulates via a belt-driven water pump, passing through the engine block to cool the wet cylinder liners. Charge air undergoes temperature drop across an air-to-air charge-air cooler (intercooler) before induction, maximizing combustion air density.

General Technical Data

Engine Specifications

Engine Model ............... Deutz BF4M1013EC
Engine Type ............... 4-cycle inline 4-cylinder direct injection liquid-cooled diesel
Number of Cylinders ............... 4
Cylinder Arrangement ............... In-line
Engine Bore, in (mm) ............... 4.25 (108.0)
Engine Stroke, in (mm) ............... 5.12 (130.0)
Displacement, cu.in (L) ............... 290.7 (4.76)
Rated Engine Power, hp (kW) ............... 158 (118)
Rated Engine Speed, rpm ............... 2300
Peak Torque ............... 577 Nm (426 lb-ft) at 1400 rpm
Minimum Idling Speed, rpm ............... 650
Aspiration Type ............... Turbocharged with charge air cooling
Compression Ratio ............... 17.5:1
Firing Order ............... 1-3-4-2
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 ............... 4
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 (flywheel to fan hub), in (mm) ............... 29.1 (740)
Overall Width (exhaust manifold to injection pump side), in (mm) ............... 24.3 (615)
Overall Height (oil pan rail to rocker cover peak), in (mm) ............... 36.8 (935)
Dry Weight (no flywheel, no starter, no alternator), lbs (kg) ............... 895 (405)
Dry Weight (fully dressed industrial power unit), lbs (kg) ............... 1100 (500)

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 Max Level, gal (L) ............... 2.90 (11.0)
Engine Oil Capacity Min Level, gal (L) ............... 2.24 (8.5)
Total Oil Capacity with Filters, gal (L) ............... 3.70 (14.0)
Coolant Capacity without Radiator, gal (L) ............... 1.95 (7.4)

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, Stage 1 ................ 60 Nm (44 lb-ft)
Cylinder Head Bolts, Stage 2 ................ 120 Nm (89 lb-ft)
Connecting Rod Bolts ................ 40 Nm (30 lb-ft)
Main Bearing Cap Bolts, Stage 1 ................ 80 Nm (59 lb-ft)
Main Bearing Cap Bolts, Stage 2 ................ 150 Nm (111 lb-ft)
Crankshaft Damper Pulley Bolt (center) ................ 150 Nm (111 lb-ft)
Flywheel Bolts (to crankshaft flange) ................ 100 Nm (74 lb-ft)
Flywheel Housing Bolts (to block) ................ 80 Nm (59 lb-ft)
Camshaft Thrust Plate Bolts ................ 25 Nm (18 lb-ft)
Rocker Arm Shaft Bracket Bolts ................ 30 Nm (22 lb-ft)
Valve Cover Nuts ................ 12 Nm (9 lb-ft)
Injection Pump Mounting (individual pumps in crankcase) ................ 35 Nm (26 lb-ft)
Injector Nozzle Holders (to cylinder head) ................ 70 Nm (52 lb-ft)
High-Pressure Fuel Line Nuts ................ 25 Nm (18 lb-ft)
Oil Pump Mounting Bolts ................ 20 Nm (15 lb-ft)
Coolant Pump Mounting Bolts ................ 25 Nm (18 lb-ft)
Starter Motor Mounting Bolts (M10) ................ 45 Nm (33 lb-ft)
Starter Motor Mounting Bolts (M12) ................ 75 Nm (55 lb-ft)
Alternator Pivot Bolt ................ 40 Nm (30 lb-ft)
Turbocharger Mounting Nuts (to exhaust manifold) ................ 45 Nm (33 lb-ft)
Exhaust Manifold Nuts ................ 40 Nm (30 lb-ft)
Engine Mount Bracket Bolts (to block) ................ 90 Nm (66 lb-ft)

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• Deutz Engines Specs
  
• Deutz BF4M1013C Specs
  
• Deutz BF4M1013FC Specs
  
• Deutz BF6M1013EC Specs
  
• Deutz BF6M1013ECP Specs
  
• Deutz BF6M1013FC Specs
  

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