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Taylor & Messick, Delaware

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Harrington
(302) 398-3729
325 Walt Messick Road
Harrington, Delaware 19952
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John Deere 803MH

New Products / John Deere / John Deere Products / Forestry Equipment / Tracked Harvesters / 803MH

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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.

Operate in Comfort

Inside cab view of man in florescent vest and safety helmet operating a tracked feller buncher in a snowy forest

A large and spacious operator station features a floor-to-ceiling front window, ergonomic controls, and increased cab volume over prior models. It enhances operator comfort, which is crucial for maintaining high productivity during long operating hours.

Intelligent Boom Control

Side view of a tracked excavator equipped with articulated boom and mulching head, illustrating horizontal reach (A–B) and vertical movement range (C–D)

The Intelligent Boom Control (IBC) system enhances precision and efficiency by automating boom movements. With IBC, operators use a single lever to control the head direction, while the system manages boom and cylinder movements, making operations smoother and reducing operator fatigue.

Specifications

Undercarriage

TypeIntegral track guides, thick high-abrasion-resistant material, ramp angles, hydraulic track adjustment
Track SizeU6 Extreme Duty (EXD)
Track Chain8 in.
Track Chain203.2 mm
Number of Track Links Per Side47
Lower Rollers Per Side9
Carrier Slides/Rollers Per Side2
Travel Speed - Standard Travel - High, Forward and Reverse2.9 mph
Travel Speed - Standard Travel - High, Forward and Reverse4.7 km/h
Travel Speed - Standard Travel - Low, Forward and Reverse1.6 mph
Travel Speed - Standard Travel - Low, Forward and Reverse2.6 km/h
Travel Speed - Dedicated Travel - High, Forward and Reverse2.9 mph
Travel Speed - Dedicated Travel - High, Forward and Reverse4.7 km/h
Travel Speed - Dedicated Travel - Low, Forward and Reverse1.6 mph
Travel Speed - Dedicated Travel - Low, Forward and Reverse2.6 km/h
Tractive Effort - Standard Travel54224 lbf
Tractive Effort - Standard Travel241.2 kN
Tractive Effort - Dedicated Travel50470 lbf
Tractive Effort - Dedicated Travel224.4 kN

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

Voltage24 V
Number of Batteries2
Voltage Per Battery12 V
Alternator Rating100-amp standard, 130-amp optional
Work LightsLED (12)
Service LightsLED (2)

Final Tier 4/EU Stage V Serviceability

Fuel Tank228.9 gal.
Fuel Tank866.5 L
Diesel-Exhaust Fluid (DEF) Tank8.9 gal.
Diesel-Exhaust Fluid (DEF) Tank33.7 L

Tier 3/EU Stage IIIA // Tier 2/EU Stage II Ground Pressure

Conditions for Measuring Ground PressureIncludes standard equipment, 8.84-m (29 ft.) boom, medium counterweight, half-full fuel tank, and all fluids, less attachment
Undercarriage SizeU6 EXD
Double Grouser Ground Pressure With 24-in. Track8.6 psi
Double Grouser Ground Pressure With 610-mm Track59.3 kPa
Double Grouser Ground Pressure With 30-in. TriTrack7.5 psi
Double Grouser Ground Pressure With 762-mm Track51.7 kPa
Single Grouser Ground Pressure With 24-in. Track8.4 psi
Single Grouser Ground Pressure With 610-mm Track57.9 kPa
Single Grouser Ground Pressure With 28-in. Track7.5 psi
Single Grouser Ground Pressure With 711-mm Track51.7 kPa
Triple Grouser Ground Pressure With 36-in. TriTrack (Soft Terrain Only)6.1 psi
Triple Grouser Ground Pressure With 914-mm Track (Soft Terrain Only)42.1 kPa

Final Tier 4/EU Stage V Ground Pressure

Conditions for Measuring Ground PressureIncludes standard equipment, 8.84-m (29 ft. 0 in.) boom, medium counterweight, half-full fuel tank, and all fluids, less attachment
Undercarriage SizeU6 EXD
Double Grouser Ground Pressure With 24-in. Track8.8 psi
Double Grouser Ground Pressure With 610-mm Track60.7 kPa
Double Grouser Ground Pressure With 30-in. TriTrack7.6 psi
Double Grouser Ground Pressure With 762-mm Track52.4 kPa
Single Grouser Ground Pressure With 24-in. Track8.7 psi
Single Grouser Ground Pressure With 610-mm Track60 kPa
Single Grouser Ground Pressure With 28-in. Track7.5 psi
Single Grouser Ground Pressure With 711-mm Track51.7 kPa
Triple Grouser Ground Pressure With 36-in. TriTrack (Soft Terrain Only)6.2 psi
Triple Grouser Ground Pressure With 914-mm Track (Soft Terrain Only)42.7 kPa

Machine Dimensions

Standard Undercarriage SizeU6 EXD
Overall Height With 29-ft Boom - Top of Cab With Flat Skylight11, 3 ft, in.
Overall Height With 8.84-m Boom - Top of Cab With Flat Skylight3.43 m
Overall Height With 29-ft Boom - Top of Cab With Peaked Skylight12 ft, in.
Overall Height With 8.84-m Boom - Top of Cab With Peaked Skylight3.66 m
Overall Height With 29-ft Boom - Top of Boom, Extended, Attachment Vertical14, 7 ft, in.
Overall Height With 8.84-m Boom - Top of Boom, Extended, Attachment Vertical4.45 m
Overall Track Length15, 1 ft, in.
Overall Track Length4.6 m
Track Length, Idler to Sprocket Center11, 9 ft, in.
Track Length, Idler to Sprocket Center3.58 m
Tail Swing, From Swing Center, Small and Medium Counterweight6, 4 ft, in.
Tail Swing, From Swing Center, Small and Medium Counterweight1.93 m
Tail Swing, From Swing Center, Medium Extended Counterweight7, 4 ft, in.
Tail Swing, From Swing Center, Medium Extended Counterweight2.24 m
Maximum Boom Reach to Attachment Pin With 25.5-ft Boom25, 5 ft, in.
Maximum Boom Reach to Attachment Pin With 7.75-m Boom7.75 m
Minimum Boom Reach to Attachment Pin With 25.5-ft Boom7, 7 ft, in.
Minimum Boom Reach to Attachment Pin With 7.75-m Boom2.31 m
Cutting Swath With 25.5-ft Boom17, 10 ft, in.
Cutting Swath With 7.75-m Boom5.44 m
Maximum Boom Reach to Attachment Pin With 29-ft Boom29 ft, in.
Maximum Boom Reach to Attachment Pin With 8.84-m Boom8.84 m
Minimum Boom Reach to Attachment Pin With 29-ft Boom8, 11 ft, in.
Minimum Boom Reach to Attachment Pin With 8.84-m Boom2.72 m
Cutting Swath With 29-ft Boom20, 1 ft, in.
Cutting Swath With 8.84-m Boom6.12 m
Maximum Boom Reach to Attachment Pin With 32.6-ft Boom32, 6 ft, in.
Maximum Boom Reach to Attachment Pin With 9.91-m Boom9.91 m
Minimum Boom Reach to Attachment Pin With 32.6-ft Boom11, 4 ft, in.
Minimum Boom Reach to Attachment Pin With 9.91-m Boom3.45 m
Cutting Swath With 32.6-ft Boom21, 2 ft, in.
Cutting Swath With 9.91-m Boom6.45 m
Ground Clearance With Single Grouser29 in.
Ground Clearance With Single Grouser736.6 mm
Ground Clearance With Double Grouser28 in.
Ground Clearance With Double Grouser711.2 mm
Ground Clearance With Triple Grouser28 in.
Ground Clearance With Triple Grouser711.2 mm
Upperstructure Width, Standard Walkway10, 4 ft, in.
Upperstructure Width, Standard Walkway3.15 m
Upperstructure Width With Optional Walkway11 ft, in.
Upperstructure Width With Optional Walkway3.35 m
Track Gauge8, 9 ft, in.
Track Gauge2.67 m
Width Over Tracks With 24-in. Track Shoes10, 9 ft, in.
Width Over Tracks With 610-mm Track Shoes3.28 m
Width Over Tracks With 28-in. Track Shoes11, 1 ft, in.
Width Over Tracks With 711-mm Track Shoes3.38 m
Width Over Tracks With 30-in. Track Shoes11, 3 ft, in.
Width Over Tracks With 760-mm Track Shoes3.43 m
Width Over Tracks With 36-in. Track Shoes11, 9 ft, in.
Width Over Tracks With 914-mm Track Shoes3.58 m

Final Tier 4/EU Stage V Operating Weight

Conditions for Measuring Operating WeightIncludes standard equipment, 8.84-m (29 ft.) boom, 610-mm (24 in.) single-grouser tracks, medium counterweight, half-full fuel tank, and all fluids, less attachment
Undercarriage SizeU6 EXD
Counterweight SizeMedium counterweight
Approximate Weight of Base Machine62620 lb.
Approximate Weight of Base Machine28399 kg

Boom Performance - Configuration 1

Boom Length32.5 ft
Boom Length9.91 m
Lift Capacity, Bare Pin at Full Reach7718 lb.
Lift Capacity, Bare Pin at Full Reach3501 kg
Lift Capacity, Bare Pin at 20 ft17927 lb.
Lift Capacity, Bare Pin at 6.1 m8130 kg

Boom Performance - Configuration 3

Boom Length25.4 ft
Boom Length7.77 m
Lift Capacity, Bare Pin at Full Reach12170 lb.
Lift Capacity, Bare Pin at Full Reach5521 kg
Lift Capacity, Bare Pin at 20 ft18410 lb.
Lift Capacity, Bare Pin at 6.1 m8349 kg

Boom Performance - Configuration 2

Boom Length29 ft
Boom Length8.84 m
Lift Capacity, Bare Pin at Full Reach9240 lb.
Lift Capacity, Bare Pin at Full Reach4192 kg
Lift Capacity, Bare Pin at 20 ft16980 lb.
Lift Capacity, Bare Pin at 6.1 m7702 kg
Lift Capacity, Bare Pin at 25 ft12900 lb.
Lift Capacity, Bare Pin at 7.6 m5851 kg

Hydraulics Pump - Dedicated Travel System

Main Pump TypeVariable-displacement axial piston
Main Pump Maximum Rated Flow131 gpm
Main Pump Maximum Rated Flow495.9 L/min
Travel Pump TypeDedicated variable-displacement axial piston
Travel Pump Maximum Rated Flow50 gpm
Travel Pump Maximum Rated Flow189.3 L/min
Attachment Pump TypeDedicated variable-displacement axial piston
Attachment Pump Maximum Rated Flow48 gpm
Attachment Pump Maximum Rated Flow181.7 L/min

Final Tier 4/EU Stage V Engine

ManufacturerJohn Deere
ModelPowerTech™ PSS 9.0L
Non-Road Emission StandardsEPA Final Tier 4/EU Stage V
Cylinders6
Displacement549 cu in.
Displacement9 L
Speed Peak Power1900 rpm
Peak Power300 hp
Peak Power223.7 kW
Speed Net Peak Torque1500 rpm
Net Peak Torque937 lb-ft
Net Peak Torque1270.1 Nm

Hydraulics Pump - Standard Travel System

Main Pump TypeVariable-displacement axial piston
Main Pump Maximum Rated Flow141 gpm
Main Pump Maximum Rated Flow533 L/min
Attachment Pump TypeDedicated variable-displacement axial piston
Attachment Pump Maximum Rated Flow55 gpm
Attachment Pump Maximum Rated Flow208.2 L/min

Final Tier 4/EU Stage V Electrical

Voltage24 V
Number of Batteries2
Voltage Per Battery12 V
Alternator Rating200-amp standard
Work LightsLED (12)
Service LightsLED (2)

Rotating Upper (Standard Swing System)

Swing Speed Maximum7 rpm
Swing Torque73756 lb-ft
Swing Torque99999.7 Nm
Swing Brake TypeSealed wet multi-disc, manually applied/released

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

ManufacturerJohn Deere
ModelPowerTech™ Plus 6090H
Non-Road Emission StandardsEPA Tier 3/EU Stage IIIA / EPA Tier 2/EU Stage II
Cylinders6
Displacement549 cu in.
Displacement9 L
Speed Peak Power1900 rpm
Peak Power300 hp
Peak Power223.7 kW
Speed Net Peak Torque1500 rpm
Net Peak Torque937 lb-ft
Net Peak Torque1270.1 Nm

Hydraulics

Hydraulics TypeClosed center, load sense, pressure compensated
Oil Filtration2 main return filters, 10-micron return with bypass, 1 case-drain strainer, 25 micron

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

Fuel Tank228.9 gal.
Fuel Tank866.5 L

Tier 3/EU Stage IIIA // Tier 2/EU Stage II Operating Weight

Conditions for Measuring Operating WeightIncludes standard equipment, 8.84-m (29 ft. 0 in.) boom, 610-mm (24 in.) single-grouser tracks, medium counterweight, half-full fuel tank, and all fluids, less attachment
Undercarriage SizeU6 EXD
Counterweight SizeMedium counterweight
Approximate Weight of Base Machine61830 lb.
Approximate Weight of Base Machine28049 kg

Cooling

Fan TypeSuction type, hydraulically driven, variable speed, reversing