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Deutz BF4M1013C Engine

The Deutz BF4M1013C is a water-cooled, 4-cylinder, in-line diesel engine engineered for heavy-duty industrial, construction, and agricultural machinery. It utilizes a compact overhead-valve structure and features a modular design platform that provides a high power-to-volume ratio. Built around a rigid cast-iron crankcase, the engine incorporates wet exchangeable cylinder liners designed to operate directly within the cooling water flow, extending service intervals and facilitating straightforward field overhauls. A drop-forged crankshaft with integrated counterweights ensures low noise emissions and smooth running characteristics.

Valve Configuration: Overhead valve (OHV) arrangement. The engine features one inlet valve and one exhaust valve per cylinder. The valves are mounted vertically in the cast-iron block head and are actuated through mechanical tappets, push-rods, and rocker arms driven by a gear-driven steel camshaft. Bore and Stroke: The cylinder bore measures 108 mm (4.3 in) and the piston stroke measures 130 mm (5.1 in). This configuration yields a total engine displacement of 4.764 liters with a standardized compression ratio of 17.5:1.

Fuel System: Integrated high-pressure fuel injection system utilizing individual unit injection pumps (Deutz single-pump system) assigned to each individual cylinder. The single injection pumps are nestled directly within the engine crankcase and are driven by dedicated injection lobes on the central camshaft. Fuel is delivered via high-pressure lines to the direct-injection nozzles housed in the cylinder head, regulated by either a mechanical governor or an optional Electronic Motor Regulator (EMR).

Lubrication System: Forced-feed pressure circulation lubrication system operated by a gear-driven oil pump. The system forces oil through an exchangeable paper fine-filter cartridge located in the main oil stream. An oil cooler is integrated directly into the engine block to stabilize operating temperatures under continuous load. Pistons are actively cooled from below via dedicated oil spray nozzles connected to the main gallery.

Cooling System: Liquid-cooled, closed-circuit configuration featuring an integrated coolant pump and pressure fan assembly. The coolant circulates directly around the exchangeable wet cylinder liners to maximize thermal dissipation. The module incorporates an integrated oil cooler and charge air cooling (aftercooler) to manage the thermal loads generated by the water-cooled turbocharger.

General Technical Data

Engine Specifications

Engine Model ............... Deutz BF4M1013C
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, in (mm) ............... 35.3-36.2 (900-920)
Overall Width, in (mm) ............... 29.9-30.2 (760-765)
Overall Height, in (mm) ............... 31.1-31.5 (790-800)
Dry Weight without Cooling, lbs (kg) ............... 955 (430)
Dry Weight with Radiator Kit, lbs (kg) ............... 1145 (520)

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 Min, gal (L) ............... 2.24 (8.5)
Engine Oil Capacity Max, gal (L) ............... 2.90 (11.0)
Coolant Capacity, 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 BF4M1013EC Specs
  
• Deutz BF4M1013FC Specs
  
• Deutz BF6M1013EC Specs
  
• Deutz BF6M1013ECP Specs
  
• Deutz BF6M1013FC Specs
  

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