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MTU 20V 4000 Engine

Name: MTU 20V 4000 Engine
Brand: MTU

The MTU 20V 4000 is a 4.49 L 20-cylinder four-cycle, diesel engine rated at 1500 rpm, producing up to 2420 kW. It powers generator sets from MTU, including the 20V 4000 DS3000 and 20V Series 4000. It holds 390 L (103.0 gal) of oil and 205 L (54.2 gal) of coolant.

Also known as: MTU 20V 4000

Part of the MTU 20V4000 engine family — 59 variants share parts & fitment.

4.49 L

Displacement

Cylinders

1500 rpm

Rated speed

2420 kW

Gross power

On this pageSpecs Generator sets Maintenance FAQ

Engine specifications

Oil capacity	390.0 L
Coolant capacity	205.0 L
Displacement	4.49 L
Cylinders	20
Aspiration	four-cycle, diesel
Rated speed	1500 rpm
Gross power	2420 kW

Generator sets powered by this engine

MTU 20V 4000 DS3000 MTU 20V Series 4000

How to read your MTU engine serial & model number →

Troubleshooting

Fault codes

Code	Meaning	Remedy
99	Lube-oil temperature before engine, shutdown
101	Lube-oil temperature before engine, shutdown
401	Lube oil pressure before engine, shutdown
SEO03	Nd11 231	Contact Service.
003	HI T-Fuel	Contact Service.
004	SS T-Fuel	Contact Service.
005	HI T-Charge Air	1. Reduce power, 2. Check intercooler.
006	SS T-Charge Air	1. Reduce power, 2. Check intercooler.
009	HI T-Coolant Intercooler	Reduce power.
010	SS T-Coolant Intercooler	Reduce power.
015	LO P-Lube Oil
016	SS P-Lube Oil	1. Check oil level, top up as necessary (> Page 169). 2. Attempt to restart engine (-» Page 55).
019	HI T-Exhaust A	1. Check cabling (— Page 194). 2. Contact Service.
020	SS T-Exhaust A	1. Check cabling (— Page 194). 2. Contact Service.
021	HI T-Exhaust B	1. Check cabling (— Page 194). 2. Contact Service.
022	SS T-Exhaust B	1. Check cabling (> Page 194). 2. Contact Service.
023	LO Coolant Level	Check coolant level in expansion tank (— Page 176).
025	HI P-Diff Lube Oil	Replace oil filter (— Page 173).
026	HI P-Diff Lube Oil	Replace oil filter (— Page 173).
027	HI Leak Fuel Level	1. Check fuel system. 2. Contact Service.
029	HI ETC 2 idle speed	Contact Service.
030	SS Engine Speed	1. Acknowledge alarm. 2. Attempt to restart engine.
031	HI ETC 1 overspeed	Contact Service.
032	SS ETC 1 overspeed	1. Automatic power reduction by engine control system. 2. Check air filters (— Page 164).
033	HI P-Diff-Fuel	Replace fuel filter (— Page 153).
034	SS P-Diff-Fuel	Replace fuel filter (— Page 153).
036	HI ETC 2 Overspeed	1. Reduce power. 2. Contact Service.
037	SS ETC 2 Overspeed	1. Reduce power. 2. Contact Service.
038	AL ETC Speed Deviation	1. Reduce power. 2. Contact Service.
039	AL ETC 2 Cutin Failure	1. Reduce power. 2. Contact Service.
044	LO Coolant Level Intercooler	Check coolant level (— Page 184).
051	HI T-Lube Oil	Reduce power.
052	SS T-Lube Oil	1. Reduce power. 2. Check engine oil level (— Page 169).
057	LO P-Coolant	Check coolant circuit.
058	SS P-Coolant	1. Automatic engine shutdown. 2. Check coolant level (— Page 176).
059	SS T-Coolant L3	1. Allow engine to cool down; 2. Check coolant cooler, clean if necessary; 3. Contact Service.
060	SS T-Coolant L4	1. Allow engine to cool down; 2. Check coolant cooler, clean if necessary; 3. Contact Service.
063	HI P-Crankcase	1. Reduce power. 2. Replace oil separator element (— Page 138).
064	SS P-Crankcase	1. Replace oil separator element (— Page 138). 2. Contact Service.
065	LO P-Fuel	Clean fuei prefilter (— Page 154). Flush fuel prefiiter (+ Page 158). Replace filter element of fuel prefilter (> Page 160). Replace fuel filter (=> Page 153).
066	SS P-Fuel	Clean fuei prefilter (— Page 154). Flush fuel prefiiter (+ Page 158). Replace filter element of fuel prefilter (> Page 160). Replace fuel filter (=> Page 153).
067	Hi T-Coolant	Reduce power.
068	SS T-Coolant	1. Allow engine to cool down; 2. Check coolant cooler, clean if necessary; 3. Restart engine (— Page 59). 4. Contact Service.
081	AL Rail Leakage	Contact Service.
082	HI P-Fuel (Common Rail)	Contact Service.
083	LO P-Fuel (Common Rail)	Contact Service.
085	HI T-Recirculation	Reduce power.
086	HI T-Recirculation	Reduce power.
089	SS Engine Speed too Low	Check for additional messages.
090	SS Starter Speed Not Reached	Contact Service.
091	SS Release Speed Not Reached	Contact Service.
092	SS Starter Speed Not Reached	Contact Service.
093	SS T-Preheat	Check preheater.
094	LO T-Preheat	Check preheater.
095	AL Prelubrication Fault	Check oil priming system.
102	AL Consumption Meter Faulty	Contact Service.
104	AL Eng Hours Counter Defect	Contact Service.

Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.

Maintenance schedule

Item	Spec	Part #
Air filter		M015565/01E	buy
Fuel filter	Replace fuel filter or fuel filter element (→Page 6 – 26)	W1001	Amazon $902.95 eBay
Oil filter	Replace engine oil filter when changing engine oil when the time limit (years) has been reached, at the latest (→Page 6 – 43)	W1008	Amazon eBay
Battery		—
Belt		0135315483	Amazon eBay
Coolant		—
Coolant filter		—
Hydraulic filter		—
Oil		—
Spark plug		—

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Parts cataloged across the MTU 20V4000 family

Part #	Description	Category
07500159b	Adapter, Injector	adapter
2020161	Air filter	air_filter
W1003	Replace air filter (→Page 6 – 36)	air_filter
W1005	Air filters	air_filter
WM00076	Air filter element	air_filter
21300116a	Drive belt condition check	belt
21300167a	Battery-charging generator drive — Drive belt tension adjustment	belt
21300167b	Battery-charging generator drive — Drive belt replacement	belt
F6557991	Puller bracket	bracket
W1009	Centrifugal oil filter (if fitted)	centrifugal_oil_filter
30380	Cleaner (Hakupur 312)	cleaner
W1011	Combustion chambers	combustion_chambers
W2004	Fit new high-pressure sensor in fuel system.	component_maintenance
W2006	Check engine coolant thermostat and fit new thermal actuator.	component_maintenance
W2007	Check charge-air coolant thermostat and fit new thermal actuator.	component_maintenance
W2009	Inspect centrifugal oil filter for wear (if fitted).	component_maintenance
W2010	Overhaul starter.	component_maintenance
W2062	Fit new sealing materials for all components disassembled.	component_maintenance
07500160a1	Cable connector, Injector	connector
20300173a	Coolant filter	coolant_filter
W1055	Overhaul cylinder heads, visually inspect piston crowns and running pattern of cylinder liners (→Workshop Manual)	cylinder_head
W1063	Overhaul cylinder heads. Visually inspect piston crowns and wear pattern on cylinder liner running surfaces.	cylinder_heads
W1038	Overhaul exhaust turbocharger (→Workshop Manual)	exhaust_turbocharger
W3000	Completely disassemble the engine. Inspect engine components as per Maintenance Manual instructions and repair or fit new components as required.	extended_component_maintenance
07500211a	Screw, Adapter (3)	fastener
08300126a	Easy-change filter	filter
40477	Assembly paste (Optimoly Paste White T)	fluid
X00029933	Grease (Kluthe Hakuform 30-10/Emulgier)	fluid
W1051	Overhaul fuel delivery pump (→Workshop Manual)	fuel_delivery_pump
W1001	Fuel filter or new fuel filter insert	fuel_filter
WM00086	Easy-change fuel filter	fuel_filter
W1006	Fuel injectors	fuel_injectors
01200210a	Gasket	gasket
04000047a	Sealing ring, Injector	gasket
07500220a	O-rings (2) and damping ring (3), Injector	gasket
08300029b	Gasket	gasket
F30027340	Ratchet adapter	hand_tool
20200220a	Disconnect pump and hose.	hose
07600211a	Injector	injector
507015174	Injectors Y39.1 to Y39.8, engine side A (underneath the cylinder head covers of the cylinders)	injector
F30378403	Injector installation jig	jig
F6555197	Lever for force-in lever	lever
F6557952	Force-in lever for injector installation	lever
W1008	Engine oil filter	oil_filter
WM00067	Oil filter element	oil_filter
0.04	PM	other_service
0.37	CO	other_service
0135315483	Connector pliers	other_service
1020FDL1106	Generator Model	other_service
1020FDM1182	Generator Model	other_service
1020FDS1124	Generator Model	other_service
1030FDH1252	Generator Model	other_service
1030FDH1254	Generator Model	other_service
1030FDL1110	Generator Model	other_service
10311583	Colt Hayes	other_service
20300174a	Sealing ring	other_service
217.3	Heat Radiated to Ambient	other_service
28149	Dry Weight	other_service
5.95	NOx + NMHC	other_service
60.6	Fan Power	other_service
95.4	Displacement	other_service
97.5	Sound Level	other_service
A001061/	MTU Fluids and Lubricants Specification	other_service
F30047446	Torque wrench, 60-320 Nm	other_service
F30510423	Torque wrench, 10-60 Nm	other_service
F6555766	Barring tool	other_service
M015565/01E	Air Filter	other_service
M015565/02E	Cooling system (LT circuit)	other_service
M015715/00E		other_service
MTU-015715/00E	Special tools	other_service
MTU-06-08	Safety instructions	other_service
F30377769	Puller for injector removal	puller
20300176a	Charge-air coolant pump — Relief bore check	pump
50701513a	Temperature sensors for single exhaust gas B4.1 to B4.8 (engine side A)	sensor
507015144	Temperature sensors for single exhaust gas B4.11 to B4.18 (engine side B)	sensor
F30027336	Torque wrench 6-50 Nm	special_tools
F6789889	Installation/removal tool for injector	special_tools
W2005	Check engine coolant thermostat and replace thermal actuator (→Workshop Manual)	thermostat
0015384230	Torque wrench, 0.5-5 Nm	tool
F30452578	Slotted nut driver, 0.5-5 Nm	tool
F30452739	Milling cutter	tool
W1002	Check valve clearance (→Page 6 – 10)	valve_gear

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Aftermarket parts that fit this engine

800152656 FridayParts $365.93 800174411 FridayParts $365.93 800175537 FridayParts $365.93

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

Common questions

What is the oil capacity of the MTU 20V 4000?

The MTU 20V 4000 engine has an oil capacity of 390.0 liters.

What is the displacement of the MTU 20V 4000?

The MTU 20V 4000 has a displacement of 4.49 liters with 20 cylinders.

Which generators use the MTU 20V 4000 engine?

The MTU 20V 4000 powers 2 generator set(s), including MTU 20V 4000 DS3000, MTU 20V Series 4000.