Engine

The engine is a John Deere PowerTech PSS turbocharged aftercooled diesel 6-cylinder liquid-cooled with a displacement of 548ci / 9.0L and a bore/stroke of 4.66x5.35inches / 118x 136mm. It has a compression ratio of 16:1 and is rated at 345hp / 257.3kW with a maximum power of 380hp / 283.4kW. The fuel system is an electronic high-pressure common rail and it has a selective catalyst reduction emission control. The engine is Tier 4B compliant and has a rated RPM of 2100. The starter is electric and operates at 12 volts.


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Transmission

The transmission is a John Deere AutoPowr infinitely variable transmission (IVT) with infinite forward and reverse gears. The engine (gross) power output is 345hp / 257.3kW and the engine (max) power output is 380hp / 283.4kW. The PTO (claimed) power output is 291hp / 217.0kW and 150hp / 111.9kW (front).

Brakes

The brakes are hydraulic wet disc. The chassis is 4x4 MFWD 4WD with inboard planetary final drives. The differential lock is hydraulic rear standard hydraulic front with 1500 and ILS axles. The trailer brakes are hydraulic (optional)/dual line air (optional). The emission control is selective catalyst reduction and the engine is Tier 4B compliant.



Steering

The steering is hydrostatic power Active Command steering optional. The description of the engine is a John Deere 9.0L 6-cyl diesel.


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Common Problems

Users have reported issues with the hydraulic system, specifically with the hydraulic pump failing prematurely. Some users have also reported issues with the transmission, such as difficulty shifting gears and slipping. Another common problem reported by users is with the electrical system, specifically with the alternator failing. Some users have also reported issues with the cab, such as poor visibility and uncomfortable seating. Finally, some users have reported issues with the brakes, specifically with the brake pads wearing out quickly.

What Users Like

Users appreciate the power and performance of the John Deere 8345R, particularly its ability to handle heavy loads and tough terrain. They also like the versatility of the tractor, with its ability to handle a variety of tasks. The cab is also well-liked, with users praising its spaciousness and comfort. Finally, users appreciate the reliability of the tractor, with many reporting that it has held up well over time.

Techincal Specifications

Power

Engine (gross)345hp / 257.3kW
Engine (max)380hp / 283.4kW
Pto (claimed)291hp / 217.0kW 150hp / 111.9kW (front)

Engine Detail

DescriptionJohn Deere PowerTech PSS turbocharged aftercooled diesel 6-cylinder liquid-cooled
Displacement548ci / 9.0L
Bore/stroke4.66x5.35inches / 118x 136mm
EmissionsTier 4B
Emission Controlselective catalyst reduction
Rated Power (ec 97/98)345hp / 257.3kW
Maximum Power (ec 97/68)380hp / 283.4kW
Fuel Systemelectronic high-pressure common rail
Compression16:1
Rated Rpm2100
Starterelectric
Starter Volts12

Engine

DescriptionJohn Deere 9.0L 6-cyl diesel

Transmission

TransmissionJohn Deere AutoPowr
Typeinfinitely variable transmission (IVT)
Gearsinfinite forward and reverse

Mechanical

Chassis4x4 MFWD 4WD
Final Drivesinboard planetary
Differential Lockhydraulic rear standard hydraulic front with 1500 and ILS axles
Steeringhydrostatic power Active Command steering optional
Brakeshydraulic wet disc
Trailer Brakeshydraulic (optional)/dual line air (optional)
CabCommandView III cab standard with air-conditioning. AutoTrac ready JDLink ServiceADVISOR Remote
Transmissioninfinitely variable transmission (IVT)

Tires

Standard Tires (ag)Front: 380/80R38. Rear: 480/80R50

Dimensions

Wheelbase120.1inches / 305cm
Length245inches / 622cm 259.5inches / 659cm (with front weights)
Width137.3inches / 348cm (warning lamps) 175.1inches / 444cm (triples warning lamps)
Height (cab)129.3inches / 328cm
Clearance (front Axle)23.1inches / 58cm (1500 axle Group 42 tires) 19.7inches / 50cm (ILS axle Group 42 tires)
Clearance (rear Axle)24.9inches / 63cm (Group 47 tires)
Front AxleILS 50 KPH
Rear Axle4.724 by 118.5inches / 119by 3009mm
Front Tread62 to 88inches / 157to 223cm

Dimensions And Tires

Wheelbase120.1inches / 305cm
Weight32691lbs / 14828kg
Front Tire380/80R38
Rear Tire480/80R50

Serial Numbers

LocationSerial number plate on the front-right of the tractor frame, above the front axle

Capacity

Fuel170.4gal / 645.0L 181.2gal / 685.8L (G49 chassis)
Exhaust Fluid (def)6.8gal / 25.7L
Hydraulic System10.6gal / 40.1L 23.8gal / 90.1L (optional)

Hydraulics

Typeclosed-center load sensing pressure flow compensated
Capacity10.6gal / 40.1L 23.8gal / 90.1L (optional)
Rear Valves4 to 6
Front Valves0 to 2
Pump Flow60gpm / 227.1lpm 85gpm / 321.7lpm (optional)
Scv Flow35gpm / 132.5lpm 42gpm / 159.0lpm (optional)

Tractor Hitch

Rear TypeIVN/III
Rear Lift15000lbs / 6804kg 20000lbs / 9072kg (optional)
Rear Armshydraulic center link optional
Front Hitchoptional
Front Lift (at Ends)11450lbs / 5193kg
DrawbarCat 4 Cat 4 Heavy-Duty optional

Electrical

Groundnegative
Charging Systemalternator
Charging Amps240
Batteries2
Battery Cca925 (each)
Battery Volts12

Power Take Off Pto

Rear Ptoindependent
Rear Rpm1000 (1.75)/1000 / 1000E (1.75 optional) 540/1000 (1.375 optional)
Front Ptooptional independent
Front Rpm1000 (1.75) / 1000 (1.375)

Weight

Max Capacity39683lbs / 18000kg
Max Front Axle17637lbs / 8000kg
Max Rear Axle25353lbs / 11500kg