John Deere 6059TF001 Specifications
| Engine Model: John Deere 6059TF001 |
| Engine Type: 4-stroke in-line 6-cylinder turbocharged liquid-cooled diesel |
| Total Displacement: 359 cu.in (5.9 L) |
| Rated Engine Power: 115-120 Hp (86-90 kW) at 2200 rpm |
| Fuel System Type: Direct injection |
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The John Deere 6059TF001 is a naturally
aspirated, turbocharged diesel engine from the renowned 300 Series, a
family of engines celebrated for their reliability, fuel efficiency, and
ease of maintenance. The “TF” designation indicates a turbocharged,
four-cycle configuration without an aftercooler. The “001” suffix often
denotes a specific power unit variant, engineered for continuous or
standby duty in industrial environments. This engine is a 5.9-liter
inline-6, a displacement class known for its excellent power density and
smooth operation.
Unlike its automotive or on-highway counterparts, the 6059TF001 is
calibrated as a "power unit," intended to drive generators, pumps,
compressors, and other stationary industrial equipment. Its robust
construction, combined with mechanical fuel injection and a conservative
power rating, ensures long service intervals and high tolerance for
sustained load operation.
The John Deere 6059TF001 is a four-stroke, compression-ignition power
unit. Its fundamental architecture follows the classic John Deere 300
Series layout, offering a straight-six configuration that provides
natural primary balance. The engine is turbocharged to increase air
density and power output without increasing displacement.
Engine Type: In-line, 4-cycle diesel
Number of Cylinders: 6
Displacement: 5.9 Liters (359 cu.in)
Bore x Stroke: 106.5 mm x 110 mm (4.19 in x 4.33 in)
Compression Ratio: 17.8:1
Aspiration: Turbocharged
Firing Order: 1-5-3-6-2-4
Rotation (viewed from flywheel): Counterclockwise
Rated Power (Industrial - 2200 RPM): 115-120 hp (86-90 kW)
Standby/Prime Power (Gen-set): Peak output up to 150-160 hp
Peak Torque: 465 Nm (343 lb-ft) @ 1400 RPM
Governed Speed: 1800-2200 RPM (depending on application)
Idle Speed: 800-900 RPM
The cylinder block on the 6059TF001 is a cast-iron, deep-skirt design,
which provides a rigid foundation for the rotating assembly and
minimizes crankshaft flex under load. The block incorporates
replaceable, wet-type cylinder liners. This design allows for easy
overhaul and reconditioning without requiring a complete engine
replacement. The wet liners contact the coolant directly, providing
superior heat transfer from the combustion area to the cooling system.
The block is also machined with integrated passages for the full-flow
lubrication system and the cooling system. The crankcase features a
reinforced lower skirt that extends below the crankshaft centerline,
reducing vibration and noise transmission. The engine uses a gear train
at the front of the block to drive the camshaft, injection pump, and
ancillary components.
The cylinder head is a single, cast-iron cross-flow design, optimized
for efficient air exchange. The cross-flow pattern routes intake air and
exhaust gases on opposite sides of the head, reducing heat transfer to
the incoming charge. The valve train consists of two valves per cylinder
- one intake, one exhaust - operated by pushrods and rocker arms from a
single camshaft located in the cylinder block. This configuration
emphasizes durability and ease of adjustment over high-RPM performance.
Valves per Cylinder: 2 (1 intake, 1 exhaust)
Valve Clearance (Cold - Intake): 0.014 in (0.356 mm)
Valve Clearance (Cold - Exhaust): 0.018 in (0.457 mm)
Valve Adjustment Interval: 1,000 operating hours
The cylinder head is secured to the block using a multi-stage torque
procedure to ensure uniform clamping force and head gasket sealing.
The John Deere 6059TF001 employs a mechanical in-line injection pump
system, a design favored for its simplicity, reliability, and field
serviceability. It does not use electronic unit injectors or common rail
systems. The fuel system consists of a gear-driven, in-line injection
pump (Stanadyne or Bosch type), high-pressure fuel lines, and mechanical
pencil-type injectors.
Injection Pump Type: In-line, mechanical (Stanadyne DB4 or Roosa
Master).
Injector Type: Mechanically operated, multi-hole pencil injector.
Injection Pressure: Approximately 2,900-3,600 psi (200-250 bar) at
injector opening.
Fuel Supply Pump: Mechanical diaphragm type, mounted on the injection
pump.
Fuel Filter: Spin-on, full-flow filter with water separator capability.
Fuel Consumption (at 1800 RPM, full load): 7.6 to 12.5 L per hour
(2.0-3.3 gal per hour).
The mechanical governor integrated into the injection pump maintains
stable RPM under varying electrical or mechanical loads, making this
engine suitable for generator service.
The lubrication system is a high-capacity, gear-driven, full-flow
pressure system. A positive displacement gear pump draws oil from the
oil pan and forces it through a full-flow spin-on filter, then through
an integral oil cooler before distributing it to the main bearings,
connecting rods, camshaft bearings, and valve train. The oil cooler uses
engine coolant to regulate oil temperature, preventing thermal
degradation under sustained high loads.
Oil Pump Type: Gear-driven, positive displacement
Oil System Type: Full-flow pressure lubrication with cooler
Oil Pan Capacity (Standard): 12-15 U.S. quarts (11.4-14.2 Liters)
Oil Pressure (Idle, hot): Minimum 10 psi (69 kPa)
Oil Pressure (Rated RPM, hot): 35-60 psi (241-414 kPa)
Oil Filter: Full-flow, spin-on
This engine is designed for radiator cooling using a forced circulation
system. A belt-driven centrifugal water pump circulates coolant through
the cylinder block, cylinder head, and the integral oil cooler. A
thermostatically controlled bypass ensures rapid warm-up and temperature
stability. The system includes a suction-type fan mounted on the water
pump pulley, drawing air through the radiator core.
Water Pump Type: Belt-driven, centrifugal
Thermostat Opening Temperature: 180°F (82°C)
Thermostat Fully Open: 200°F (93°C)
System Pressure (radiator cap): 7-10 psi (48-69 kPa)
Coolant Capacity (engine only): 6.5 U.S. quarts (6.2 Liters)
Fan Drive: Direct belt drive, suction type
| Intake and Exhaust Systems |
Air Intake System: Air enters through a replaceable dry-type air cleaner
(industrial grade) and passes directly into the turbocharger compressor
housing. The compressed air is then ducted to the intake manifold
without an aftercooler (charge air cooler). This simplification reduces
cost and complexity, suitable for applications where intake air
temperatures remain within acceptable limits.
Exhaust System: A dry, cast-iron exhaust manifold collects gases from
all six cylinders and directs them to the turbocharger turbine inlet.
The flange pattern supports various industrial exhaust connections,
including vertical or horizontal discharge with optional spark arrestors
for hazardous environments.
Turbocharging: The engine is equipped with a wastegated turbocharger.
The wastegate diverts excess exhaust gas at higher RPM to limit boost
pressure and prevent mechanical over-speed. Boost pressure is controlled
by an actuator responding to intake manifold pressure. Turbocharger
Model: Garrett or Holset (application-specific). Maximum Boost Pressure:
12-15 psi (83-103 kPa).
Electrical System: The standard configuration includes a 12-volt
negative ground system with a belt-driven alternator. The starter motor
is a heavy-duty, positive-engagement type designed for cold starts.
System Voltage: 12V. Alternator Output: 65 A. Starter Motor Rating: 3.0
kW (4.0 hp).
Dry Weight: 785 lbs (356 kg)
Length: 38.5 in (978 mm)
Width: 23.6 in (599 mm)
Height: 37.4 in (950 mm)
Oil and Filter Change: 250 hours (industrial continuous) / 500 hours
(gen-set standby).
Fuel Filter Replacement: 500 hours.
Air Cleaner Element: Inspect every 250 hours.
Air Cleaner Element: Replace based on restriction indicator or at 1,000
hours.
Valve Clearance Adjustment: 1,000 hours.
Injection Pump Timing Check: 2,000 hours.
Injector Service: Inspect and clean every 1,500 hours.
Injector Service: Replace every 5,000 hours.
Coolant Replacement: 2,000 hours or 2 years.
Drive Belt Inspection: 250 hours.
Drive Belt Inspection: Replace every 1,000 hours.
Crankcase Ventilation (breather): Clean every 500 hours.
Cylinder Head Bolts, Stage 1: 75 lb-ft (102 Nm)
Cylinder Head Bolts, Stage 2: 110 lb-ft (149 Nm)
Connecting Rod Bolts: 40 lb-ft (54 Nm)
Main Bearing Cap Bolts: 85 lb-ft (115 Nm)
Flywheel Bolts: 65 lb-ft (88 Nm)
Crankshaft Pulley Bolt: 135 lb-ft (183 Nm)
Injection Pump Drive Gear Nut: 120 lb-ft (163 Nm)
Injector Hold-Down Clamp Bolt: 22 lb-ft (30 Nm)
Rocker Arm Shaft Bracket Bolts: 28 lb-ft (38 Nm)
Valve Cover Bolts: 8 lb-ft (11 Nm)
Oil Pan Bolts: 18 lb-ft (24 Nm)
Exhaust Manifold Bolts: 25 lb-ft (34 Nm)
Intake Manifold Bolts: 20 lb-ft (27 Nm)
Water Pump Mounting Bolts: 25 lb-ft (34 Nm)
Generator Sets (Gen-Sets): Prime power and standby units, notably in
Kohler 80 kW gen-sets. Also found in Caterpillar, Generac, and John
Deere power generation packages.
Industrial Power Units: Hydraulic power packs for excavators, cranes,
and material handlers.
Agricultural Equipment: Stationary grain dryers, irrigation pumps (deep
well turbine pumps), and feed mill mixers.
Compressors: Rotary screw air compressors for construction or industrial
plant air.
Pumps: Fire pump drivers, dewatering pumps, and slurry pumps in mining
applications.
Construction Equipment: Light towers, mobile batch plants, and small
portable crushers.
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