Deutz TD2011L04W Specifications
| Engine Model: Deutz TD2011L04W |
| Engine Type: 4-stroke in-line 4-cylinder turbocharged water-cooled diesel |
| Total Displacement: 221 cu.in (3.62 L) |
| Rated Engine Power: 90 hp (65 kW) at 2600 rpm |
| Fuel System Type: Direct injection |
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The Deutz TD2011L04W is a 4-cylinder, 4-cycle
inline diesel engine from the 2011 family. This power unit is
turbocharged and water-cooled, designed for compact construction
machinery, industrial equipment, and welding generators. The TD2011L04W
employs a direct injection system with a pump-pipe-nozzle (unit pump)
configuration, avoiding common rail electronics. The engine’s compact
design places all maintenance points on one side, reducing service costs
and increasing machinery availability.
Excellent cold starting properties permit operation in extreme
conditions, while the robust construction allows use with high sulfur
fuels worldwide. The engine meets EPA Tier 4i emission standards in
power ratings below 56 kW. The water-cooled version (W in the model
designation) distinguishes this engine from air-cooled variants in the
2011 family, providing consistent temperature control for continuous
industrial duty. This engine powers wheel loaders from Wacker Neuson and
Liebherr, roller-compactors from Hamm, and equipment from Miller and
Neuson.
Engine Type: 4-cycle inline 4-cylinder, turbocharged, water-cooled
diesel
Displacement: 3.62 L (3620 cc / 221 cu.in)
Bore x Stroke: 96 mm x 125 mm (3.78 in x 4.92 in)
Compression Ratio: 18.0:1
Combustion System: Direct injection (pump-pipe-nozzle)
Aspiration: Turbocharged
Valvetrain: OHV (Overhead Valve), 2 valves per cylinder, 8 valves total
Firing Order: 1-3-4-2
Rated Power (industrial): 90 hp (65 kW) at 2600 rpm
Rated Power (welder application): 65.7 hp (48.5 kW) at 1800 rpm (weld
mode)
Maximum Torque: 280 Nm (207 lb-ft) at 1600 rpm
Low Idle Speed (welder application): 1350 rpm
High Idle Speed (no-load, governed): 2700-2800 rpm
Emission Standard: EPA Tier 4i (sub-56 kW variants)
The cylinder block is manufactured from high-grade cast iron with an
open-deck design. Four cylinder bores are machined directly into the
parent metal without replaceable liners. The block features a siamese
bore configuration where cylinders share common walls, reducing overall
engine length for installation in compact machinery. The crankcase
extends below the crankshaft centerline with a deep skirt design.
Five main bearing bulkheads support the crankshaft. The water jacket
surrounds the full height of each cylinder bore. Cast oil galleries run
the length of the block. All maintenance components, including the oil
filter, fuel filter, oil dipstick, and filler neck, are positioned on
one side of the block. This single-side access design permits service in
confined engine compartments without requiring access around the entire
engine.
The cylinder head is a single-piece cast iron component with a
cross-flow intake and exhaust port arrangement. Each cylinder receives
two valves: one intake valve and one exhaust valve, arranged in a
parallel valve layout. The valve train is an overhead valve (OHV)
configuration with pushrods and rocker arms. The camshaft is located in
the cylinder block, not the cylinder head.
Valve stem seals are positive-type on intake valves only for the 2011
series. Hardened valve seat inserts on both sides resist wear under
turbocharged operation. The cylinder head incorporates an integrated
exhaust passage. Valve clearance adjustment uses a screw-and-locknut
arrangement on the rocker arms. Cold starting properties remain
excellent even under extreme conditions due to the swirl-inducing intake
port design.
The fuel system is a mechanical direct injection design using
pump-pipe-nozzle configuration. An in-line injection pump supplies fuel
to individual unit pumps, one per cylinder, integrated into the pump
housing. High-pressure fuel lines route individually from each pump
element to the corresponding injection nozzle in the cylinder head.
Injection nozzles are multi-hole type. The system operates at pressures
up to 1000 bar (14,500 psi).
A mechanical centrifugal governor is standard, providing speed
regulation across varying loads. An optional electronic engine governor
(EMR) is available for applications requiring isochronous control. A
fuel lift pump draws fuel from the tank. The optimized combustion system
ensures efficient engine performance at low fuel consumption. The engine
operates reliably with high sulfur fuels, a design feature for worldwide
deployment in regions with variable fuel quality.
The lubrication system uses a gear-type oil pump driven from the
crankshaft. The pump draws oil through a suction strainer in the oil
pan. Oil passes through a full-flow spin-on filter. The filter
cross-reference numbers include MANN W712/4 and WDK724/1. Bypass valve
opening pressure is 2.5 bar (36 psi). An oil cooler is integrated into
the system. Total oil capacity is 10.0-10.5 L (10.6-11.1 qt).
The service fill volume is 10.0 L. Oil pressure at rated speed measures
0.4-0.5 MPa (58-72 psi). A low oil pressure shutdown system protects the
engine, triggering automatic engine stop at 0.08 MPa (12 psi).
Recommended oil change interval is 500 hours. A spin-on oil filter
location on the maintenance side permits easy replacement.
The cooling system is water-cooled with thermostatic control. A
belt-driven centrifugal coolant pump circulates engine coolant through
the cylinder block water jacket and cylinder head. A wax-pellet
thermostat controls coolant flow. Coolant capacity for the engine and
cooling system is 11.0 L (11.6 qt).
An optional integrated cooling system is available for specific
applications. A high coolant temperature shutdown system protects the
engine, triggering an automatic stop if temperature exceeds safe limits.
The water-cooled configuration (W in the model designation) provides
consistent thermal management for continuous industrial duty cycles
where air-cooling would be insufficient.
Aspiration: Fixed-geometry turbocharger. The robust design allows
operation in dusty environments. Boost pressure is regulated by the
turbocharger’s internal wastegate.
Combustion Process: Direct injection with bowl-in-piston design.
Combustion is optimized to achieve minimum fuel consumption while
maintaining power output.
Cold Start System: Intake air heater (grid heater) is standard
equipment. An oil pan heater and intake manifold heater are available
for cold climate operation on EPA Tier 4i compliant units. The 2011
family offers best-in-class cold starting properties even under extreme
conditions.
Electrical System: 12 V negative ground (standard). Starter motor power
rating varies by application (1.8-3.0 kW). Alternator output ranges from
55 A to 95 A depending on equipment specification.
PTO Drive: Optional power take-off (PTO) drive reduces installation
costs and increases the number of applications.
Governor: Mechanical centrifugal governor in standard configuration.
Optional EMR (Electronic Motor Regulator) provides electronic speed
control for generator or welding applications requiring precise
frequency regulation.
Crankcase Ventilation: Closed-circuit breather system returns blow-by
gases to the intake system, preventing atmospheric venting.
Length (flywheel to fan hub): 720 mm (28.3 in).
Width (overall, exhaust manifold to injection pump): 530 mm (20.9 in).
Height (oil pan rail to rocker cover peak): 710 mm (28.0 in).
Dry Weight (basic engine, no flywheel, no starter, no alternator): 295
kg (650 lb).
Dry Weight (fully dressed industrial power unit): 330-350 kg (728-772
lb).
Engine Oil Change Interval: 500 hours under normal industrial duty.
Engine Oil Capacity (service fill): 10.0 L (10.6 qt).
Engine Oil Capacity (total, including filter): 10.4-10.5 L (11.0-11.1
qt).
Engine Oil Grade (ambient above -10°C / 14°F): SAE 15W-40, API CI-4 or
higher.
Engine Oil Grade (cold ambient below -10°C / 14°F): SAE 5W-30 or SAE
10W-30.
Engine Oil Pressure Shutdown: Activates at 0.08 MPa (12 psi).
Coolant Capacity (system total): 11.0 L (11.6 qt).
Coolant Specification: Ethylene glycol base antifreeze with low-silicate
formulation.
Coolant Temperature Shutdown: Activates at 105-110°C (221-230°F).
Fuel Filter Replacement Interval: 500 hours. MANN WDK724/1 primary
filter.
Oil Filter Specification: MANN W712/4 with 3/4"-16 UNF.
Air Filter Service Interval: 500 hours maximum.
Valve Clearance (Cold Engine, Intake): 0.30 mm (0.012 in).
Valve Clearance (Cold Engine, Exhaust): 0.50 mm (0.020 in).
Valve Clearance Inspection Interval: 1000 hours.
Injector Nozzle Replacement Interval: 1500 hours.
Injection Timing (static): 14-16 deg BTDC at No. 1 cylinder.
Compression Pressure (standard): 3.2-3.6 MPa (464-522 psi) at cranking
speed.
Compression Pressure Variation Between Cylinders: Max 0.2 MPa (29 psi)
difference.
Turbocharger Inspection Interval: 1000 hours. Check for shaft end play
(max 0.15 mm / 0.006 in).
Drive Belt Tension: Deflection of 10-12 mm (0.39-0.47 in) under 10 kg
(22 lb) force.
Idle Speed Adjustment (low, mechanical governor): 750-850 rpm via idle
stop screw.
Cylinder Head Bolts (Stage 1): 40 Nm (30 lb-ft).
Cylinder Head Bolts (Stage 2): 80 Nm (59 lb-ft).
Connecting Rod Bolts: 50 Nm (37 lb-ft).
Main Bearing Cap Bolts: 60 Nm (44 lb-ft).
Flywheel Bolts (to crankshaft flange): 100 Nm (74 lb-ft).
Flywheel Housing Bolts (to block): 45 Nm (33 lb-ft) for M10.
Flywheel Housing Bolts (to block): 80 Nm (59 lb-ft) for M12.
Camshaft Drive Gear Nut: 150 Nm (111 lb-ft).
Camshaft Bearing Cap Bolts: 25 Nm (18 lb-ft).
Rocker Arm Shaft Bracket Bolts: 35 Nm (26 lb-ft).
Rocker Arm Adjusting Lock Nut: 20 Nm (15 lb-ft).
Valve Cover Bolts: 10-12 Nm (7-9 lb-ft).
Injection Pump Mounting Nuts: 35 Nm (26 lb-ft).
Injection Pump Drive Gear Nut: 80 Nm (59 lb-ft).
High-Pressure Fuel Line Fittings (pump end): 25 Nm (18 lb-ft).
High-Pressure Fuel Line Fittings (nozzle end): 25 Nm (18 lb-ft).
Injector Hold-Down Clamp Nut: 25 Nm (18 lb-ft).
Crankshaft Pulley Bolt (center): 200 Nm (148 lb-ft).
Oil Pan Bolts (M8): 15 Nm (11 lb-ft).
Oil Pan Drain Plug (magnetic): 60 Nm (44 lb-ft).
Oil Filter (spin-on canister): 20 Nm (15 lb-ft).
Oil Cooler Mounting Bolts: 35 Nm (26 lb-ft).
Coolant Pump Mounting Bolts: 25 Nm (18 lb-ft).
Thermostat Housing Bolts: 20 Nm (15 lb-ft).
Exhaust Manifold Nuts (to cylinder head): 35 Nm (26 lb-ft).
Turbocharger Mounting Nuts (to manifold): 45 Nm (33 lb-ft).
Turbocharger Oil Supply Line Fitting: 25 Nm (18 lb-ft).
Turbocharger Oil Drain Line Fitting: 30 Nm (22 lb-ft)
Starter Motor Mounting Bolts (M10): 45 Nm (33 lb-ft)
Starter Motor Mounting Bolts (M12): 80 Nm (59 lb-ft)
Alternator Mounting Bolts (pivot and adjuster): 35 Nm (26 lb-ft)
Alternator B+ Terminal Nut: 10 Nm (89 lb-in)
Engine Mount Bracket Bolts (to block): 70 Nm (52 lb-ft)
Oil Level Dipstick Guide Tube Nut: 15 Nm (11 lb-ft)
Wheel Loaders: Wacker Neuson WL54. Liebherr L509 Speeder. Compact wheel
loaders in the 4-6 tonne operating weight class.
Roller Compactors: Hamm DV/HD series, specifically HD 70K models with
Deutz TD2011 L04W Tier 3 engine. Double drum vibratory rollers for
asphalt and soil compaction.
Welding Generators: Miller Big Blue 600X Duo Air Pak. Diesel-driven
welder-generator units for pipeline welding and heavy industrial
applications. These units utilize the engine’s 1800 rpm welding speed
and automatic shutdown systems.
Mini Dumpers: Neuson 6001, Neuson 901SP. Articulated compact dumpers for
construction site material transport.
Agricultural and Forestry Equipment: Wood chippers (Bugnot brand).
Stationary agricultural processing equipment.
Industrial Power Units: Hydraulic power packs. Generator sets (30-45 kVA
range). Compressor drives for portable air compressors.
Material Handling: Skid steer loaders (various brands using Deutz 2011
platform). Compact telehandlers for warehousing and construction.
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