John Deere 3029TF270 Specifications
| Engine Model: John Deere PowerTech 3029TF270 |
| Engine Type: 4-stroke in-line 3-cylinder turbocharged liquid-cooled diesel |
| Total Displacement: 177 cu.in (2.9 L) |
| Rated Engine Power: 59-71 Hp (44-53 kW) at 1800-2500 rpm |
| Fuel System Type: Direct injection |
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The John Deere 3029TF270 is a 2.9-liter,
three-cylinder turbocharged diesel engine from the PowerTech series,
produced for the industrial and construction machinery markets. This
engine belongs to the "Lesser Regulated" category, meeting emission
standards such as EPA Tier 2 and EU Stage II. The "TF" designation
indicates turbocharged aspiration with a mechanical fuel system, while
the "270" suffix references specific power tuning for industrial
intermittent operation. Widely applied in compact wheel loaders,
backhoes, skid steer loaders, and generator sets, this engine features
replaceable wet-type cylinder liners and a compact inline configuration.
The 3029TF270 delivers power outputs between 48 kW and 53 kW (64 to 71
hp) at 2,500 rpm, with peak torque ranging from 225 to 245 Nm (166 to
181 lb-ft) between 1,500 and 1,600 rpm. The three-cylinder layout with a
displacement of 2.9 L (177 cu.in) provides a favorable power-to-weight
ratio at 328 kg (723 lb) dry weight. The bore and stroke dimensions of
106 mm by 110 mm (4.17 in by 4.33 in) produce a bore/stroke ratio of
0.96:1, a near-square configuration balancing torque characteristics
with operational smoothness.
The 17.2:1 compression ratio enables efficient cold starting and stable
combustion under turbocharged induction. The mechanical fuel system with
a rotary pump (Delphi DPCN or equivalent) offers field-serviceable
simplicity suited for industrial applications. Four main bearings
support the dynamically balanced crankshaft, while forged-steel
connecting rods with a 45-degree joint design accommodate larger
bearings for increased durability.
Engine Type: 4-stroke, inline, turbocharged, diesel
Engine Code: 3029TF270
Configuration: Vertical inline, liquid-cooled, 3-cylinder
Displacement: 2.9 L (177 cu.in)
Bore: 106 mm (4.17 in)
Stroke: 110 mm (4.33 in)
Bore/Stroke Ratio: 0.96:1
Compression Ratio: 17.2:1
Firing Order: 1-2-3
Aspiration: Turbocharged
Rated Power (Intermittent): 48-53 kW (64-71 hp) at 2,500 rpm
Prime Power (Generator): 44 kW (59 hp) at 1,800 rpm
Standby Power (Generator): 48 kW (64 hp) at 1,800 rpm
Peak Torque: 225-245 Nm (166-181 lb-ft) at 1,500-1,600 rpm
Emissions Compliance: EPA Tier 2, CARB, EU Stage II
Rotation (viewed from flywheel end): Counter-clockwise
The cylinder block is constructed from cast iron with a reduced weight
design while maintaining structural rigidity. Replaceable wet-type
cylinder liners are precision machined and provide excellent heat
dissipation from the combustion zone. The liners seal at the bottom with
O-rings and at the top against the cylinder head gasket.
The crankshaft is supported by four main bearings with
induction-hardened journal surfaces for increased wear life. The block
incorporates a gear train housing at the front for camshaft drive,
injection pump mounting, and water pump attachment. The crankcase
includes piston cooling jets that direct engine oil to the underside of
each piston for thermal management under turbocharged operation.
The cylinder head is a cast iron cross-flow design with overhead valves
actuated by pushrods and rocker arms from a camshaft located in the
cylinder block. Each cylinder employs two valves: one intake and one
exhaust. Valve lash adjustment is performed manually via set screws and
locknuts on the rocker arms.
The combustion chamber is a direct injection design with the injector
positioned centrally. Valve seats are induction-hardened for wear
resistance in diesel operation. The intake ports are sized for
turbocharged airflow volumes. The exhaust manifold mounting flange
accommodates the turbocharger attachment. Valve Clearances (engine
cold): Intake: 0.36 mm (0.014 in). Exhaust: 0.46 mm (0.018 in).
The fuel system employs a mechanical rotary distributor injection pump,
manufactured by Delphi (DPCN series) or Stanadyne. The rotary pump
design uses a single pumping plunger distributing fuel to each cylinder
in firing order sequence. A mechanical governor, integral to the
injection pump, controls fuel delivery based on engine speed and load
demand.
High-pressure injection lines route fuel from the distributor pump to
individual injectors located in each cylinder head. The system includes
a primary fuel filter with water separator followed by a secondary
spin-on filter. A mechanical fuel transfer pump mounted to the injection
pump body draws fuel from the tank and supplies the pump reservoir. An
electric fuel shutoff solenoid controls engine stopping.
The lubrication system operates as a pressurized, full-flow filtered
system with a gear-type oil pump. The pump, mounted inside the oil pan
and driven by the camshaft gear train, draws oil through a screened
pickup tube. Oil passes through a full-flow spin-on filter mounted on
the cylinder block.
Pressurized oil routes to the four main bearings, connecting rod
bearings, camshaft bearings, and tappets. Piston cooling jets, located
in the main bearing webs, direct oil to the underside of each piston. A
pressure relief valve maintains oil pressure within specification.
Oil Pressure at Rated Speed: 345 kPa (50 psi)
Oil Pressure at Idle: 105 kPa (15 psi)
Oil Capacity (with filter): 8.5 L (9.0 qt)
Oil Change Interval: 250 hours (industrial intermittent service)
Recommended Oil: SAE 15W-40 diesel-grade, API CI-4 or higher
The cooling system is pressurized and liquid-cooled, utilizing a
belt-driven centrifugal water pump. Coolant circulates from the radiator
bottom tank through the water pump, into the cylinder block water jacket
surrounding the wet liners, upward through the cylinder head, and back
to the radiator top tank. A wax-type thermostat in the coolant outlet
housing maintains operating temperature of 82-88°C (180-190°F). A
belt-driven fan mounted to the water pump pulley draws air through the
radiator core. The system includes a coolant recovery tank.
Coolant Capacity (engine only): 6.0 L (6.3 qt)
Total Cooling System Capacity (with radiator): 12-16 L (12.7-16.9 qt)
Coolant Type: Ethylene glycol-based with supplemental coolant additives
Thermostat Opening Temperature: 82°C (180°F) nominal
Turbocharging System: Single exhaust-driven turbocharger mounted to the
exhaust manifold. The turbocharger compresses intake air before delivery
to the intake manifold, increasing volumetric efficiency and power
output. No charge air cooler is provided on this model.
Electrical System: 12-volt with electric starter and alternator.
Starting System: Electric starter with solenoid engagement. Glow plugs
or intake air heater provided for cold start assistance.
Air Intake System: Dry-type replaceable element air cleaner with
restriction indicator. Turbocharger compressor draws filtered air
through the air cleaner. Crankcase Ventilation: Closed system with
breather tube. Exhaust System: Cast iron exhaust manifold with
turbocharger mounting flange.
Overall Length: 716 mm (28.2 in)
Overall Width: 519 mm (20.4 in)
Overall Height: 928 mm (36.5 in)
Dry Weight: 328 kg (723 lb)
Engine Oil Capacity (with filter): 8.5 L (9.0 qt).
Engine Oil Type: SAE 15W-40 diesel-grade, API CI-4 or higher.
Coolant Capacity (engine only): 6.0 L (6.3 qt).
Coolant Type: Ethylene glycol-based anti-freeze with corrosion
inhibitors.
Oil Change Interval: 250 hours (industrial intermittent operation).
Fuel Filter Replacement: 250-500 hours depending on fuel quality.
Air Cleaner Service: When restriction indicator shows specified vacuum.
Valve Clearance Check Interval: 500 hours.
Coolant Change Interval: 24 months.
Cylinder Head Bolts: 150 Nm (110 lb-ft)
Connecting Rod Bolts: 88 Nm (65 lb-ft)
Main Bearing Caps: 115 Nm (85 lb-ft)
Flywheel Bolts: 115 Nm (85 lb-ft)
Rocker Arm Assembly Bolts: 24-30 Nm (18-22 lb-ft)
Injection Pump Mounting Nuts: 20-24 Nm (15-18 lb-ft)
Injector Hold-Down Clamp: 34 Nm (25 lb-ft)
Oil Pan Drain Plug: 35-40 Nm (26-30 lb-ft)
Valve Cover Bolts: 9.5 Nm (7 lb-ft)
The John Deere 3029TF270 engine was installed in the following equipment
categories.
Skid steer loaders: John Deere 240,
240-II, 250, 250-II, 260, 260-II, 8875.
Vibratory rollers: Dynapac CA121
D/PD.
Agricultural Tractors:
John Deere 3110, 5105, 5200, 5205, 5210, 5215, 5215F, 5215V, 5220.
John Deere 5300, 5300N, 5310, 5310N, 5315, 5315F, 5315V, 5320, 5320N.
John Deere 5400, 5400N, 5410, 5410N.
Generator Sets:
Kohler 30RE0ZJB standby generator sets.
Power Systems 05NF7 DRASH specialty trailer generators.
Various prime and standby power packages.
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