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John Deere 3029TF270 Engine

The John Deere 3029TF270 is a heavy-duty, 2.9-liter, 3-cylinder, in-line, 4-cycle turbocharged industrial diesel engine manufactured under the PowerTech™ series. Engineered for high durability and performance in compact applications, this engine features a dynamically balanced induction-hardened crankshaft, forged-steel connecting rods, and four main bearing cylinder blocks. It is certified to meet CARB EPA Tier 2 and EU Stage II emissions standards. The engine construction utilizes replaceable wet-type cylinder liners surrounded directly by coolant to ensure uniform thermal dissipation, combined with cam-ground, high-grade cast aluminum alloy pistons.

The engine utilizes a vertical, in-line, valve-in-head (overhead valve) arrangement. The valve train mechanisms operate through a traditional pushrod and rocker arm assembly driven by the timing gear train. The internal cylinder configuration features a bore diameter of 106 mm (4.17 in) and a stroke length of 110 mm (4.33 in). Total engine displacement measures 2.9 liters (177 cubic inches), operating at a compression ratio of 17.2:1.

Fuel delivery is managed via a direct injection system featuring a mechanical, rotary-type fuel injection pump. The injection pump is driven directly by the crankshaft through the timing gear train. Pressurized fuel is delivered to the combustion chambers through high-precision 9.5 mm injection nozzles mounted vertically in the cylinder head. A built-in cold start advance system dynamically optimizes injection timing during low-temperature start-ups. The system requires standard commercial diesel fuel compliant with EN 590 or ASTM D975 standards, possessing a minimum cetane index of 40-45 and a preferred sulfur content under 0.10%.

Engine components are lubricated via a pressurized system driven by a gear-type oil pump. Maintenance routines mandate a factory break-in oil and filter change at the initial 100 operating hours, transitioning to a standard 500-hour oil and filter replacement interval under Tier II operations. Minimum operating oil pressure must register at or above 15 psi (1.0 bar) under load. The engine relies on a liquid-cooling architecture featuring an integrated water pump and thermostat control loop. Normal engine operating temperature ranges between 82C and 94C (180F to 201F).

General Technical Data

Engine Specifications

Engine Model ............... John Deere 3029TF270
Engine Type ............... 4-cycle inline 3-cylinder direct injection liquid-cooled diesel
Number of Cylinders ............... 3
Cylinder Arrangement ............... In-line
Engine Bore, in (mm) ............... 4.17 (106.0)
Engine Stroke, in (mm) ............... 4.33 (110.0)
Displacement, cu.in (L) ............... 177 (2.9)
Rated Engine Power, hp (kW) ............... 64-71 (48-53)
Rated Engine Speed, rpm ............... 2500
Peak Torque ............... 225-245 Nm (166-181 lb-ft) at 1500-1600 rpm
Idle Speed ............... 750-850 rpm
Aspiration Type ............... Turbocharged
Operating Speed ............... 1500-2500 rpm
Compression Ratio ............... 17.2:1
Firing Order ............... 1-2-3
Combustion System ............... Direct Injection
Rotation Direction ............... Counterclockwise from flywheel end
Cylinder Block Type ............... Cast iron
Cylinder Head Type ............... Cast iron
Lubrication System ............... Full-pressure
Oil Pump Type ............... Gear-driven
Oil Filter Type ............... Full-flow, spin-on
Cooling System ............... Liquid-cooled
Water Pump Type ............... Belt-driven, centrifugal
Air Cleaner Type ............... Dry dual-stage
Emission Certification ............... EPA Tier 2, EU Stage II
Starting System ............... Electric Starter
Electrical System ............... 12V or 24V

Fuel System

Injection Pump Type ............... Stanadyne DB2 or DB4 rotary
Fuel Transfer Pump ............... Mechanical gear or diaphragm driven
Fuel Injection Nozzles ............... Multi-hole mini-sac type
Fuel Filter Type ............... Spin-on element with water separator
Fuel Transfer Pump Pressure, psi (kPa) ............... 5.0-8.5 (34.5-58.6)
Fuel Return Flow Rate, gal/h (L/h) ............... 12.0-15.0 (45.4-56.8)
Injection Timing Setting ............... Static timing marks on front cover flange
Fuel Grade Compatibility ............... Ultra-low sulfur diesel fuel, ASTM D975
Governor Type ............... Mechanical or Electronic
Fuel Tank Vent System ............... Vented cap configuration
Water in Fuel Sensor ............... Electronic resistance probe

Dimensions and Weight

Overall Length, in (mm) ............... 28.2 (715)
Overall Width, in (mm) ............... 20.4 (520)
Overall Height, in (mm) ............... 36.5 (930)
Dry Weight, lbs (kg) ............... 723 (328)
Wet Weight, lbs (kg) ............... 765 (347)

Maintenance Data

Service Information

Compression Pressure (Minimum), psi (bar) ............... 360.0 (24.8)
Oil Pressure at Rated Speed, psi (kPa) ............... 50.0 (344.7)
Oil Pressure at Hot Idle Speed, psi (kPa) ............... 15.0 (103.4)
Maximum Allowed Engine Oil Temperature, F (C) ............... 248.0 (120.0)
Thermostat Opening Start Temperature, F (C) ............... 180.0 (82.0)
Thermostat Full Open Temperature, F (C) ............... 202.0 (94.0)
Maximum Coolant Temperature, F (C) ............... 212.0 (100.0)
Minimum Coolant Temperature, F (C) ............... 140.0 (60.0)
Intake Valve Lash, Cold, in (mm) ............... 0.0140 (0.356)
Exhaust Valve Lash, Cold, in (mm) ............... 0.0180 (0.457)

Engine Oil and Coolant

Engine Oil Type .................. SAE 10W-30, SAE 15W-40, or JD Plus-50
API Service Classifications ......................... CK-4, CJ-4
Engine Oil Capacity with Filter, qt (L) ............... 8.5 (8.0)
Engine Oil Capacity without Filter, qt (L) ............... 7.9 (7.5)
Cooling System Capacity, Engine Only, qt (L) ............... 6.0 (5.7)

Service Intervals

Change oil and filter ............... Every 250 hours
Inspect air cleaner ............... Every 250 hours
Replace air cleaner ............... Every 1000 hours
Replace fuel filter ............... Every 500 hours
Valve clearance adjustment ............... Every 1000 hours
Fuel system inspection ............... Every 1000 hours
Change coolant ............... Every 2000 hours
Compression test ............... Every 1000 hours
Inspect belt tension ............... Every 250 hours

Service Specifications

Cylinder Liner Bore Inside Diameter, in (mm) ............... 4.1732-4.1748 (106.000-106.040)
Cylinder Liner Maximum Out of Round, in (mm) ............... 0.0020 (0.050)
Cylinder Liner Maximum Taper, in (mm) ............... 0.0020 (0.050)
Crankshaft Main Journal Outside Diameter, in (mm) ............... 3.1230-3.1240 (79.324-79.350)
Crankpin Journal Outside Diameter, in (mm) ............... 2.7480-2.7490 (69.799-69.825)
Main Bearing Journal Clearance, in (mm) ............... 0.0016-0.0039 (0.041-0.100)
Main Bearing Bore Inside Diameter, in (mm) ............... 3.3457-3.3467 (84.981-85.006)
Connecting Rod Bearing Clearance, in (mm) ............... 0.0014-0.0035 (0.036-0.089)
Crankshaft End Play, in (mm) ............... 0.0031-0.0114 (0.080-0.290)
Crankshaft Journal Maximum Out of Round, in (mm) ............... 0.0002 (0.005)
Piston Skirt Outside Diameter, in (mm) ............... 4.1685-4.1695 (105.880-105.905)
Piston to Cylinder Liner Clearance, in (mm) ............... 0.0037-0.0063 (0.095-0.160)
Piston Pin Outer Diameter, in (mm) ............... 1.6254-1.6258 (41.285-41.295)
Piston Pin Bore Inside Diameter, in (mm) ............... 1.6260-1.6265 (41.300-41.313)
Connecting Rod Small End Bushing I.D, in (mm) ............... 1.6266-1.6272 (41.315-41.330)
Piston Pin to Connecting Rod Bushing Clearance, in (mm) ............... 0.0008-0.0018 (0.020-0.045)
Top Ring Groove Clearance, in (mm) ............... 0.0047 (0.120)
Second Ring Groove Clearance, in (mm) ............... 0.0024-0.0043 (0.060-0.110)
Oil Ring Groove Clearance, in (mm) ............... 0.0016-0.0035 (0.040-0.090)
Top Ring End Gap, in (mm) ............... 0.0118-0.0217 (0.300-0.550)
Second Ring End Gap, in (mm) ............... 0.0157-0.0256 (0.400-0.650)
Oil Ring End Gap, in (mm) ............... 0.0098-0.0197 (0.250-0.500)
Cylinder Head Flatness Warpage, in (mm) ............... 0.0020 (0.050)
Intake Valve Stem Outside Diameter, in (mm) ............... 0.3120-0.3128 (7.925-7.945)
Exhaust Valve Stem Outside Diameter, in (mm) ............... 0.3115-0.3123 (7.912-7.932)
Intake Valve Guide Inside Diameter, in (mm) ............... 0.3142-0.3154 (7.981-8.011)
Exhaust Valve Guide Inside Diameter, in (mm) ............... 0.3142-0.3154 (7.981-8.011)
Intake Valve Stem to Guide Clearance, in (mm) ............... 0.0014-0.0034 (0.036-0.086)
Exhaust Valve Stem to Guide Clearance, in (mm) ............... 0.0019-0.0039 (0.049-0.099)
Valve Spring Free Length, in (mm) ............... 2.1260 (54.000)
Camshaft Journal Outside Diameter (Front), in (mm) ............... 2.1643-2.1653 (54.973-55.000)
Camshaft Journal Outside Diameter (Middle), in (mm) ............... 2.1249-2.1259 (53.973-54.000)
Camshaft Journal Outside Diameter (Rear), in (mm) ............... 2.0855-2.0865 (52.973-53.000)
Camshaft Bearing Clearance, in (mm) ............... 0.0018-0.0047 (0.046-0.120)
Camshaft Bore Inside Diameter, in (mm) ............... 2.2433-2.2449 (56.980-57.020)
Camshaft End Play, in (mm) ............... 0.0024-0.0075 (0.060-0.190)
Rocker Arm Shaft Outside Diameter, in (mm) ............... 0.7862-0.7870 (19.970-19.990)
Rocker Arm Bushing Inside Diameter, in (mm) ............... 0.7882-0.7898 (20.020-20.060)
Rocker Arm to Shaft Clearance, in (mm) ............... 0.0051 (0.130)

Tightening Torques

Cylinder Head Fasteners (Step One), lb-ft (Nm) ............... 75.0 (102.0)
Cylinder Head Fasteners (Step Two), lb-ft (Nm) ............... 110.0 (150.0)
Cylinder Head Fasteners (Step Three), lb-ft (Nm) ............... 110.0 (150.0)
Connecting Rod Cap Fasteners, lb-ft (Nm) ............... 40.0 (54.0)
Main Bearing Cap Fasteners, lb-ft (Nm) ............... 100.0 (135.0)
Flywheel Mounting Fasteners, lb-ft (Nm) ............... 85.0 (115.0)
Flywheel Housing to Block M10 Fasteners, lb-ft (Nm) ............... 37.0 (50.0)
Flywheel Housing to Block M12 Fasteners, lb-ft (Nm) ............... 65.0 (88.0)
Crankshaft Vibration Damper Pulley Bolt, lb-ft (Nm) ............... 150.0 (203.0)
Camshaft Thrust Plate Retaining Bolts, lb-ft (Nm) ............... 26.0 (35.0)
Camshaft Drive Gear Retention Bolt, lb-ft (Nm) ............... 63.0 (85.0)
Timing Gear Cover M8 Attachment Bolts, lb-ft (Nm) ............... 26.0 (35.0)
Timing Gear Cover M10 Attachment Bolts, lb-ft (Nm) ............... 52.0 (70.0)
Timing Gear Idler Shaft Retaining Bolt, lb-ft (Nm) ............... 52.0 (70.0)
Rocker Arm Shaft Support Brackets Fastener, lb-ft (Nm) ............... 44.0 (60.0)
Rocker Arm Adjusting Locknut, lb-ft (Nm) ............... 20.0 (27.0)
Rocker Arm Cover Valve Cover Bolts, lb-ft (Nm) ............... 8.0 (11.0)
Oil Pan Standard Drain Plug, lb-ft (Nm) ............... 37.0 (50.0)
Oil Pan to Cylinder Block Flange Bolts, lb-ft (Nm) ............... 26.0 (35.0)
Oil Pump Assembly Bolts to Block, lb-ft (Nm) ............... 26.0 (35.0)
Oil Pump Intake Screen Pickup Tube Bracket Bolt, lb-ft (Nm) ............... 26.0 (35.0)
Oil Pressure Regulating Valve Plug, lb-ft (Nm) ............... 37.0 (50.0)
Oil Cooler Housing Core Mounting Bolts, lb-ft (Nm) ............... 26.0 (35.0)
Water Pump Mounting M8 Bolts, lb-ft (Nm) ............... 26.0 (35.0)
Water Pump Mounting M10 Bolts, lb-ft (Nm) ............... 52.0 (70.0)
Water Pump Inlet Pulley Shield Bolts, lb-ft (Nm) ............... 26.0 (35.0)
Thermostat Housing Water Cover Bolts, lb-ft (Nm) ............... 26.0 (35.0)
Exhaust Manifold Center and Outer Port Bolts, lb-ft (Nm) ............... 37.0 (50.0)
Turbocharger to Exhaust Manifold Flange Nuts, lb-ft (Nm) ............... 37.0 (50.0)
Turbocharger Compressor Housing Clamp Nut, lb-ft (Nm) ............... 8.0 (11.0)
Turbocharger Oil Supply Line Fitting Tube Nut, lb-ft (Nm) ............... 18.0 (24.0)
Turbocharger Oil Return Drain Tube Flange Bolts, lb-ft (Nm) ............... 26.0 (35.0)
Stanadyne DB2 Injection Pump Drive Gear Nut, lb-ft (Nm) ............... 92.0 (125.0)
Stanadyne DB4 Injection Pump Drive Gear Nut, lb-ft (Nm) ............... 145.0 (200.0)
Fuel Injection Pump Flange to Front Plate Nuts, lb-ft (Nm) ............... 18.0 (25.0)
Fuel Injection High Pressure Lines Flare Nuts, lb-ft (Nm) ............... 18.0 (25.0)
Fuel Injection Nozzle Clamp Hold-down Bolt, lb-ft (Nm) ............... 28.0 (38.0)
Fuel Transfer Supply Pump Retaining Stud Nuts, lb-ft (Nm) ............... 18.0 (25.0)
Intake Manifold Top Cover Segment Mounting Bolts, lb-ft (Nm) ............... 26.0 (35.0)
Air Cleaner Assembly Bracket Support Frame Bolts, lb-ft (Nm) ............... 37.0 (50.0)
Electric Starter Motor Flange Mounting Bolts, lb-ft (Nm) ............... 52.0 (70.0)
Electric Starter Motor Battery Terminal Stud Nut, lb-ft (Nm) ............... 12.0 (16.0)
Alternator Pivot Support Bracket Mounting Bolt, lb-ft (Nm) ............... 52.0 (70.0)
Alternator Tension Adjusting Strap Support Bolt, lb-ft (Nm) ............... 26.0 (35.0)
Fan Drive Pulley Assembly Support Hub Center Bolt, lb-ft (Nm) ............... 63.0 (85.0)
Crankcase Vent Valve Body Retaining Small Screws, lb-in (Nm) ............... 48.0 (5.4)
Flywheel Housing Access Inspection Dust Cover Screws, lb-in (Nm) ............... 72.0 (8.1)
Coolant Temperature Sensor, lb-ft (Nm) ............... 18.0 (25.0)
Oil Pressure Switch Indicator, lb-ft (Nm) ............... 12.0 (16.0)

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• John Deere Engines Specs
  
• John Deere 3029D Specs
  
• John Deere 3029DF120 Specs
  
• John Deere 3029HFG03 Specs
  
• John Deere 3029T Specs
  
• John Deere 3029TF120 Specs
  
• John Deere 3164D Specs
  

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