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Harrington
(302) 398-3729
325 Walt Messick Road
Harrington, Delaware 19952
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John Deere 3156G

New Products / John Deere / John Deere Products / Forestry Equipment / Swing Machines / 3156G

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Features

TimberMatic™ Maps and TimberManager™

A rugged touchscreen monitor displaying a GPS field map with highlighted rows, guidance paths, and machine location

TimberMatic™ Maps offers a real-time production view, optimized routes, and shared machine connectivity, enhancing jobsite awareness. TimberManager™ allows web-based jobsite monitoring, enabling progress tracking and fleet optimization to streamline communication and boost efficiency.

Easy-to-Reach Serviceability

Industrial machine with open access panels revealing the engine compartment, hydraulic components, steps, and service platforms.

The G-Series features easy-to-open doors for quick access to scheduled maintenance areas, and a variable-speed hydraulic reversing fan that helps purge debris from the cooling system. Additionally, it offers excellent access to the hydraulic system on the right-hand side and complete access to the cooling system on the left-hand side for cleaning and inspection.

Undercarriage Structure

Side view of a swing machine's undercarriage, featuring one black track frame

John Deere G-Series Swing Machines feature an "X" lower structure that ensures excellent load distribution and reduces stress on weld joints, while the track frames provide a smooth ride and stability across all terrains. These machines also offer tractive effort for challenging conditions, multiple track pad configurations, two-speed automatic shift travel motors, and optional tri-tracks to minimize track twisting.

Specifications

Operating Dimensions, Live-Heel Log Loader Arm

Maximum Reach at Ground Level12.34 m
Maximum Working Depth4.45 m
Tail Swing Radius3.71 m
Maximum Log-Level Height (Verify Attachment Dependency)9.25 m
Maximum Reach41, 2 ft, in.
Maximum Working Height14.53 m
Minimum Swing Radius4.57 m
Maximum Reach at Ground Level40, 6 ft, in.
Maximum Working Depth14, 7 ft, in.
Tail Swing Radius12, 2 ft, in.
Maximum Log-Level Height (Verify Attachment Dependency)30, 4 ft, in.
Conditions for Measuring Operating DimensionsWith standard equipment, 700-mm (28 in.) shoes, 6558-kg (14,458 lb.) heavy counterweight, full fuel tank, and 79-kg (175 lb.) operator
Maximum Reach12.55 m
Maximum Working Height47, 8 ft, in.
Minimum Swing Radius15, 0 ft, in.

Operating Weights, Live-Heel Log Loader Arm

Side-Entry Cab, Optional Component, Add Weight-1480 lb.
Side-Entry Cab, Optional Component, Add Weight-671 kg
SAE Operating Weight, EPA Tier 3/EU Stage IIIA / EPA Tier 2/EU Stage II95245 lb.
SAE Operating Weight, EPA Tier 3/EU Stage IIIA / EPA Tier 2/EU Stage II43202 kg
SAE Operating Weight, EPA FT4/EU Stage IV95745 lb.
SAE Operating Weight, EPA FT4/EU Stage IV43429 kg
Rear-Entry Cab - Cab Forward, Optional Component, Add Weight68 kg
Rear-Entry Cab - Cab Forward, Optional Component, Add Weight150 lb.
Conditions for Measuring Operating WeightsWith full fuel tank, 79-kg (175 lb.) operator, rear-entry forestry cab, 6558-kg (14,458 lb.) heavy counterweight, 700-mm (28 in.) double-grouser shoes, and 2.92-m (9 ft. 7 in.) undercarriage; no attachment included

Operating Weights, Processor

Side-Entry Cab, Optional Component, Add Weight-1480 lb.
Side-Entry Cab, Optional Component, Add Weight-671 kg
SAE Operating Weight, EPA Tier 3/EU Stage IIIA / EPA Tier 2/EU Stage II93370 lb.
SAE Operating Weight, EPA Tier 3/EU Stage IIIA / EPA Tier 2/EU Stage II42352 kg
SAE Operating Weight, EPA FT4/EU Stage IV93870 lb.
SAE Operating Weight, EPA FT4/EU Stage IV42579 kg
Rear-Entry Cab - Cab Forward, Optional Component, Add Weight150 lb.
Rear-Entry Cab - Cab Forward, Optional Component, Add Weight68 kg
Conditions for Measuring Operating WeightsWith full fuel tank, 79-kg (175 lb.) operator, rear-entry forestry cab, 6558-kg (14,458 lb.) heavy counterweight, 700-mm (28 in.) double-grouser shoes, and 2.92-m (9 ft. 7 in.) undercarriage; no attachment included

Operating Dimensions, VIH Log Loader Arm

Maximum Reach at Ground Level10.9 m
Maximum Working Depth3.02 m
Tail Swing Radius3.71 m
Maximum Log-Level Height (Verify Attachment Dependency)8.97 m
Maximum Reach36, 6 ft, in.
Maximum Working Height13.13 m
Minimum Swing Radius5.03 m
Maximum Reach at Ground Level35, 9 ft, in.
Maximum Working Depth9, 11 ft, in.
Tail Swing Radius12, 2 ft, in.
Maximum Log-Level Height (Verify Attachment Dependency)29, 5 ft, in.
Conditions for Measuring Operating DimensionsWith standard equipment, 700-mm (28 in.) shoes, 6558-kg (14,458 lb.) heavy counterweight, full fuel tank, and 79-kg (175 lb.) operator
Maximum Reach11.13 m
Minimum Swing Radius16, 6 ft, in.
Maximum Working Height43, 1 ft, in.

Tier 3/EU Stage IIIA // Tier 2/EU Stage II Electrical

Standard Service Lights With Side-Entry Cab5 LEDs (compartments)
Standard Access Lights1 LED (right rear cab)
Standard Work Lights14 LEDs
Alternator Rating130 amp
Standard Service Lights With Rear-Entry Cab6 LEDs (compartments and riser)
System Voltage24 V

Serviceability

Engine Crankcase (Including Filter) Capacity27 L
Hydraulic Tank Oil Capacity52 gal.
Hydraulic Tank Oil Capacity195 L
Engine Crankcase (Including Filter) Capacity28.5 qt
Fuel Tank Capacity1080 L
Fuel Tank Capacity285 gal.
Cooling System Capacity10.5 gal.
Cooling System Capacity39.7 L
Diesel-Exhaust Fluid (DEF) Tank (FT4) Capacity11.5 gal.
Diesel-Exhaust Fluid (DEF) Tank (FT4) Capacity43.6 L

Tier 3/EU Stage IIIA // Tier 2/EU Stage II Engine

Off-Level Capacity70 %
Engine Speed Used for Net Rated Power1900 rpm
Non-Road Emission StandardsEPA Tier 3/EU Stage IIIA
Engine Displacement549 cu in.
Engine Displacement9 L
AspirationTurbocharged, air-to-air charge-air cooler
Oil Filter, Remote MountedFull-flow spin-on filter
Off-Level Capacity35 degree (angle)
Cylinders6
Net Rated Power at Engine Speed186 kW
Net Rated Power at Engine Speed249 hp
ManufacturerJohn Deere PowerTech™ Plus 9.0 L

Operating Dimensions, Processor Arm

Maximum Reach at Ground Level10.82 m
Maximum Working Depth3.05 m
Tail Swing Radius3.71 m
Maximum Log-Level Height (Verify Attachment Dependency)10.06 m
Maximum Reach36, 4 ft, in.
Maximum Working Height13 m
Minimum Swing Radius4.57 m
Maximum Reach at Ground Level35, 6 ft, in.
Maximum Working Depth10, 0 ft, in.
Tail Swing Radius12, 2 ft, in.
Maximum Log-Level Height (Verify Attachment Dependency)33, 0 ft, in.
Conditions for Measuring Operating DimensionsWith standard equipment, 700-mm (28 in.) shoes, 6558-kg (14,458 lb.) heavy counterweight, full fuel tank, and 79-kg (175 lb.) operator
Maximum Reach11.07 m
Minimum Swing Radius15, 0 ft, in.
Maximum Working Height42, 8 ft, in.

Ground Pressure, VIH Log Loader

Standard Undercarriage Gauge9, 7 ft, in.
Standard Undercarriage Gauge2.92 m
Ground Pressure With 700-mm Double-Grouser Shoes and Option One Gauge and Standard-Duty Undercarriage72.4 kPa
Ground Pressure With 28-in. Double-Grouser Shoes and Option One Gauge and Standard-Duty Undercarriage10.5 psi

Operating Weights, VIH Log Loader

Side-Entry Cab, Optional Component, Add Weight-1480 lb.
Side-Entry Cab, Optional Component, Add Weight-671 kg
SAE Operating Weight, EPA Tier 3/EU Stage IIIA / EPA Tier 2/EU Stage II42126 lb.
SAE Operating Weight, EPA Tier 3/EU Stage IIIA / EPA Tier 2/EU Stage II92871 lb.
SAE Operating Weight, EPA FT4/EU Stage IV42352 kg
SAE Operating Weight, EPA FT4/EU Stage IV93371 lb.
Rear-Entry Cab - Cab Forward, Optional Component, Add Weight150 lb.
Rear-Entry Cab - Cab Forward, Optional Component, Add Weight68 kg
Conditions for Measuring Operating WeightsWith full fuel tank, 79-kg (175 lb.) operator, rear-entry forestry cab, 6558-kg (14,458 lb.) heavy counterweight, 700-mm (28 in.) double-grouser shoes, and 2.92-m (9 ft. 7 in.) undercarriage; no attachment included

Final Tier 4/EU Stage V Engine

Off-Level Capacity70 %
Engine Speed Used for Net Rated Power1900 rpm
Non-Road Emission StandardsEPA Final Tier 4 (FT4)/EU Stage IV
Engine Displacement9 L
Engine Displacement549 cu in.
AspirationSeries turbocharged, air-to-air charge-air cooler
Oil Filter, Remote MountedFull-flow spin-on filter
Off-Level Capacity35 degree (angle)
Net Rated Power at Engine Speed249 hp
Cylinders6
Net Rated Power at Engine Speed186 kW
ManufacturerJohn Deere PowerTech™ PSS 9.0 L

Final Tier 4/EU Stage V Electrical

Standard Service Lights With Side-Entry Cab5 LEDs (compartments)
Standard Access Lights1 LED (right rear cab)
Standard Work Lights14 LEDs
Alternator Rating150 amp
Standard Service Lights With Rear-Entry Cab6 LEDs (compartments and riser)
System Voltage24 V

Ground Pressure, Processor

Ground Pressure With 28-in. Double-Grouser Shoes and Option One Gauge and Standard-Duty Undercarriage10.9 psi
Ground Pressure With 700-mm Double-Grouser Shoes and Option One Gauge and Standard-Duty Undercarriage74.9 kPa
Option One - Standard-Duty Undercarriage Gauge9, 7 ft, in.
Option One - Standard-Duty Undercarriage Gauge2.92 m

Hydraulics

ControlsPilot levers; short-stroke, low-effort hydraulic pilot with shutoff lever
Main Pumps Type2 variable-displacement pumps
Main Pumps Maximum Rated Flow, Per 2 Pumps65.5 gpm
Main Pumps Maximum Rated Flow, Per 2 Pumps248 L/min
TypeOpen center, pilot operated
Power Boost System Operating Pressure38000 kPa
Power Boost System Operating Pressure5511 psi
Implement Circuits System Operating Pressure4975 psi
Implement Circuits System Operating Pressure34300 kPa

Powertrain

Drawbar Pull30350 kgf
Drawbar Pull66910 lbf
Maximum Travel Speed High2.6 mph
Maximum Travel Speed High4.2 km/h
Maximum Travel Speed Low1.7 mph
Type2-speed propel with automatic shift
Maximum Travel Speed Low2.7 km/h

Undercarriage, Standard

Pitch With Standard-Duty Undercarriage8.5 in.
Pitch With Standard-Duty Undercarriage216 mm
Track Rollers Per Side9
Carrier Rollers Per Side2
Shoes, Double Grousers, Per Side48

Ground Pressure, Live-Heel Log Loader

Standard Undercarriage Gauge9, 7 ft, in.
Standard Undercarriage Gauge2.92 m
Ground Pressure With 28-in. Double-Grouser Shoes and Option One Gauge and Standard-Duty Undercarriage10.5 psi
Ground Pressure With 700-mm Double-Grouser Shoes and Option One Gauge and Standard-Duty Undercarriage72.2 kPa

Swing Mechanism

Swing Speed8.7 rpm
Swing Torque120000 Nm
Swing Torque88507 lb-ft

Operator Station

Operator Height From Ground (Eye Level) in Rear-Entry Log Loader Cab4471 mm
Operator Height From Ground (Eye Level) in Rear-Entry Log Loader Cab14, 8 ft, in.
Operator Height From Ground (Eye Level) in Side-Entry Forestry Cab3125 mm
Operator Height From Ground (Eye Level) in Side-Entry Forestry Cab10, 3 ft, in.

Cooling

Fan DriveCool-on-demand hydraulic-driven, suction-type fan with remote-mounted drive and standard reversing fan