Home›Engines›MTU 20V 4000

MTU 20V 4000 Engine

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 — 62 variants share parts & fitment.

4.49 L

Displacement

Cylinders

1500 rpm

Rated speed

2420 kW

Gross power

On this pageSpecs Generator sets Maintenance FAQ Fluids Wiring

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 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.

Repair guides

Step-by-step procedures compiled from the MTU service manual for this engine.

Recommended fluids

Fluid	Grade	Standard	Ambient	Capacity	Notes
Fuel	Diesel #2				Recommended Fuel for diesel gensets (e.g. DS30, DS40, DS50, DS80, DS100, DS125, DS150, DS180, DS200, DS230, DS250, DS275, DS300, DS350, DS400, DS450, DS500)

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Voltage reconnection

Voltage	Phase	Connection	Notes
208V	3	12 LEAD WYE	Example from MTU 4R0063 GS30
240V	1	12 LEAD	Example from MTU 4R0063 GS30 SYSTEM RATINGS connection row
240V	1	4 LEAD	Example from MTU 4R0063 GS30
240V	3	12 LEAD DELTA	Example from MTU 4R0063 GS30
380V	3	12 LEAD WYE	Example from MTU 4R0063 GS30
480V	3	12 LEAD WYE	Example from MTU 4R0063 GS30
600V	3	4 LEAD WYE DOUBLE DELTA	Example from MTU 4R0063 GS30

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Parts cataloged across the MTU 20V4000 family

164

Part #	Description	Category
07500159b	Adapter, Injector	Adapter
2020161	Air filter	Air filter
W1003	Replace air filter (→Page 6 – 36)	Air filter
W1005	Air filter	Air filter
WM00076	Air filter element	Air filter
5240150417	ACHSE	Axle
700223016000	HOHLSCHRAUBE	Banjo screw
700222016000	RINGSTUECK	Banjo union
5241800080	KURBELWELLENLAGER KUPPLUNGSGEGENSEITE	Bearing
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
X00037029	RIEMENSCHEIBE	Belt pulley
X00039375	RIEMENSCHEIBE	Belt pulley
F6557991	Puller bracket	Bracket
0029923501	BUCHSE	Bushing
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 charge air coolant thermostat and replace thermal actuator (→Workshop Manual)	Component maintenance
W2007	Check centrifugal oil filter for wear (if fitted) (→Workshop Manual)	Component maintenance
W2009	Inspect centrifugal oil filter for wear (if fitted).	Component maintenance
W2010	Overhaul starter.	Component maintenance
W2062	Crankcase breather: Replace oil separator (→Workshop Manual)	Component maintenance
X00040005	ANSCHLUSSTEILE F.KRAFTSTOFFLEITUNG	Connecting hardware for fuel line
X00032042	ANSCHLUSSSTUECK	Connecting piece
07500160a1	Cable connector, Injector	Connector
X00043177	PLEUELSTANGE	Conrod
W1063	Overhaul cylinder heads. Visually inspect piston crowns and wear pattern on cylinder liner running surfaces.	Conrod bearing
20300173a	Coolant filter	Coolant filter
X00039295	KURBELWELLE	Crankshaft
X00039437	KURBELWELLE	Crankshaft
X59603100001	KURBELWELLE	Crankshaft
W1055	Overhaul cylinder heads, visually inspect piston crowns and running pattern of cylinder liners (→Workshop Manual)	Cylinder head
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
X52608300013	FILTERKOPF FUER KRAFTSTOFF	Filter head
5280310745	FLANSCH FUER ABTRIEB KGS	Flange
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
X00010945	KST-FOERDERPUMPE	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
X00035929	KST-RUECKLAUFLEITUNG	Fuel return line
X00040965	KST-RUECKLAUFLEITUNG	Fuel return line
01200210a	Gasket	Gasket
04000047a	Sealing ring, Injector	Gasket
07500220a	O-rings (2) and damping ring (3), Injector	Gasket
08300029b	Gasket	Gasket
5501871280	GASKET	Gasket
5240500705	ZWISCHENRAD	Gear
5240521002	ZWISCHENRAD	Gear
700327022000	TUELLE	Grommet
F30027340	Ratchet adapter	Hand tool
304017008079	SECHSKANTSCHRAUBE	Hex bolt
304017008088	SECHSKANTSCHRAUBE	Hex bolt
304017008014	SECHSKANTMUTTER	Hex nut
20200220a	Disconnect pump and hose.	Hose
X00040962	TUBE FUEL LINE 922.675 16V4000	Hose
X00034289	SCHWG-DAEM-GEHAEUSE	Housing
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
735080018204	RUECKSCHLAGVENTIL	Non return valve
700429037000	O-RING	O-ring
700429048000	O-RING	O-ring
735221029000	O-RING	O ring
W1008	Engine oil filter	Oil filter
WM00067	Oil filter element	Oil filter
0.04	PM	Service part / kit
0.37	CO	Service part / kit
000912008115	M 8 X 16 DIN912 SCREW PC	Service part / kit
000912018008	M 18 X180 DIN912 SCREW PC	Service part / kit
007349008002	SCHEIBE	Service part / kit
0135315483	Connector pliers	Service part / kit
1020FDL1106	Generator Model	Service part / kit
1020FDM1182	Generator Model	Service part / kit
1020FDS1124	Generator Model	Service part / kit
1030FDH1254	Generator Model	Service part / kit
1030FDL1110	Generator Model	Service part / kit
10311583	Colt Hayes	Service part / kit
20300174a	Sealing ring	Service part / kit
217.3	Heat Radiated to Ambient	Service part / kit
28149	Dry Weight	Service part / kit
5.95	NOx + NMHC	Service part / kit
5240110111	CRANKSHAFT BRG CAP PC	Service part / kit
5240110172	NUT PC	Service part / kit
5240110440	STRIP PC	Service part / kit
5240110570	STUD PC	Service part / kit
5240510110	CAMSHAFT BEARING SIZE 0-0 M PC	Service part / kit
5249970020	COVER PC	Service part / kit
60.6	Fan Power	Service part / kit
700425000161	PLATE PC	Service part / kit
700425000169	PLATE	Service part / kit
700425000170	PLATE	Service part / kit
700521018201	18.2 MMN521 WASHER PC	Service part / kit
95.4	Displacement	Service part / kit
97.5	Sound Level	Service part / kit
A001061/	MTU Fluids and Lubricants Specification	Service part / kit
F30047446	Torque wrench, 60-320 Nm	Service part / kit
F30510423	Torque wrench, 10-60 Nm	Service part / kit
F6555766	Barring tool	Service part / kit
M015565/01E	Air Filter	Service part / kit
M015565/02E	Cooling system (LT circuit)	Service part / kit
MTU-015715/00E	Special tools	Service part / kit
MTU-06-08	Safety instructions	Service part / kit
X00007644	CRANKCASE COVER PC	Service part / kit
X00023912	IDENTIFICATION PLATE SELF-ADHESIVE PC	Service part / kit
X00027830	CYLINDER LINER SIZE 0 NN PC	Service part / kit
X00028699	CRANKCASE X00028699	Service part / kit
X00028720	CRANKCASE FOR 20V PC	Service part / kit
X00030264	CRANKCASE X00030264	Service part / kit
X00032068	KRAFTSTOFFLEITUNG	Service part / kit
XS528010.00008	INSPECT PORT COVER FOR OIL DIPSTICK XS528010.00008	Service part / kit
700325028100	ROHRKLEMMENHAELFTE	Pipe clamp half
700325028200	ROHRKLEMMENHAELFTE	Pipe clamp half
X00028069	KOLBEN	Piston
5242370435	PLATTE	Plate
000908026005	VERSCHLUSSSCHRAUBE	Plug
000908052003	VERSCHLUSSSCHRAUBE	Plug
735210014000	VERSCHLUSSSCHRAUBE	Plug
F30377769	Puller for injector removal	Puller
20300176a	Charge-air coolant pump — Relief bore check	Pump
X00040872	HALTER	Retainer
X00044448	HALTER	Retainer
000931012056	SECHSKANTSCHRAUBE	Screw
007603014102	COPPER SEALING RING	Seal
5289970045	O-RING 1657X5 O-RING PC	Seal
5550110259	SEAL LOWER LINER $4000	Seal
700429018005	18 X 4 MMN429 O-RING PC	Seal
700429020003	SEAL RING, 20 X 4	Seal
700429024000	O-RING	Seal
700429032003	SEAL RING, 32 X 4	Seal
700429083000	O-RING	Seal
700429150000	O-RING	Seal
700429290000	O-RING	Seal
915005016000	CAP, SEALING 16 N	Seal
007603026104	DICHTRING	Sealing ring
007603052101	DICHTRING	Sealing ring
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
000472048000	SICHERUNGSRING	Snap ring
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
735186016000	VERSCHRAUBUNG	Union
915013020002	STUTZEN	Union
915001016004	MUTTER	Union nut
0001800015	DRUCKMINDERVENTIL	Valve
5241800015	DRUCKVENTIL	Valve
W1002	Check valve clearance (→Page 6 – 10)	Valve gear
5280350000	SCHWINGUNGSDAEMPFER	Vibration damper
X00022366	SCHWINGUNGSDAEMPFER OHNE NEBENABTRIEB	Vibration damper
735151010100	SCHEIBE	Washer

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.