| Manufacturer | John Deere |
| Price | 547,961(USD) |
| Model | 8RX 340 |
| Equipment Type | Agricultural Crawler Tractors |
| Factory | Waterloo, Iowa, USA |
KEY SPECS
| Engine description | John Deere PowerTech PVS 9.0 L (B20 diesel compatible) |
| Engine displacement | 9 L/549 cu in. |
| Rated engine power | ECE-R120: 250 kW/340 hp |
| Maximum engine power | ECE-R120: 275 kW/374 hp |
| Rated PTO power (hp SAE) | 211 kW/284 hp |
| Transmission type | Standard: e23 PowerShift with Efficiency Manager 40K, 40 km/h (24.9 mph)/Optional: John Deere AutoPowr IVT 40K, 0.05-42 km/h (0.03-26 mph) |
| Hydraulic pump rated output | Standard: 85-cc pump: 227.1 L/min/60 gpm/Optional: 85-cc plus 35-cc dual pump: 318 L/min/84 gpm |
| Rear hitch category (SAE designation) | Standard: Category 4N/3 standard lift at 610 mm (24 in.) behind hitchpoint: 9072 kg/20,000 lb/Optional: Category 4N/3 at 610 mm (24 in.) behind hitchpoint: 6803 kg/15,000 lb |
| Base machine weight | e23, 457-mm (18-in.) front/rear and 3048-mm (120-in.) tread: 19,600 kg/43,300 lb |
ENGINE SPECIFICATIONS
The John Deere 8RX 340 features a robust PowerTech PVS 9.0 L diesel engine, offering high efficiency with a displacement of 9 L. Its wet-sleeve cylinder design improves serviceability and longevity, while the Final Tier 4 emissions compliance ensures lower environmental impact. The combination of variable geometry turbocharging and advanced after-treatment systems (DOC, DPF, and SCR) optimizes performance and reduces maintenance intervals but may pose challenges in terms of added complexity and potential regeneration issues.
| Description | John Deere PowerTech PVS 9.0 L (B20 diesel compatible) |
| Engine type | Diesel, in-line, 6-cylinder, wet-sleeve cylinder liners with four valves in head |
| Engine family | MJDXL09.0333 |
| Rated speed | 2100 rpm |
| Aspiration | Single, variable geometry turbo; air-to-air aftercooling and cooled exhaust gas recirculation |
| Cylinders liners | Wet-sleeve |
| Emission level | Final Tier 4 |
| After treatment type | Diesel oxidation catalyst (DOC)/diesel particulate filter (DPF)/selective catalytic reduction (SCR) |
| Displacement | 9 L/549 cu in. |
ENGINE PERFORMANCE
The John Deere 8RX 340 tractor boasts a robust rated power of 340 hp and a PTO power of 284 hp, facilitating strong performance in demanding agricultural operations. With a power boost capability of 10%, the tractor can temporarily increase its output, ideal for tackling challenging terrains or heavy-load tasks. Its impressive peak torque of 1592 Nm at 1600 rpm, coupled with a 40% PTO torque rise, ensures efficient power delivery and excellent implement handling, making it well-suited for diverse applications in large-scale farming.
| Rated power | ECE-R120: 250 kW/340 hp |
| Rated PTO power (hp SAE) | 211 kW/284 hp |
| Power boost | 10 percent |
| Maximum engine power | ECE-R120: 275 kW/374 hp |
| Engine peak torque | At 1600 rpm: 1592 Nm/1174 lb-ft |
| PTO torque rise | 40 percent |
TRANSMISSION
The John Deere 8RX 340 features an e23 PowerShift transmission with Efficiency Manager, providing efficient shifting for optimal power delivery at a maximum speed of 40 km/h, enhancing fuel economy and reducing operator fatigue. Alternatively, the optional AutoPowr IVT transmission offers stepless speed control from 0.05 to 42 km/h, ideal for precision work and improved load management in various field applications. The choice of transmission affects operational efficiency; e23 is preferable for consistent speed in transport tasks, while AutoPowr is advantageous for complex field operations requiring varying speeds.
| Type | Standard: e23 PowerShift with Efficiency Manager 40K, 40 km/h/24.9 mph/Optional: John Deere AutoPowr IVT 40K, 0.05-42 km/h (0.03-26 mph) |
HYDRAULIC SYSTEM
| Type | Closed-center, pressure/flow compensated system with load sensing |
| Pump rated output | Standard: 85-cc pump: 227.1 L/min/60 gpm/Optional: 85-cc plus 35-cc dual pump: 318 L/min/84 gpm |
| Available flow at a single rear SCV | 1.3-cm (1/2-in.) couplers: 132 L/min/35 gpm/1.9-cm (3/4-in.) coupler: 159 L/min/42 gpm |
| Available flow at front SCVs | 96 L/min/25 gpm |
| Number of rear selective control valves (SCVs) | Standard: 1.3-cm (1/2-in.) ISO couplers: 4/Optional: 1.3-cm (1/2-in.) ISO couplers: 5 and 6 available/1.9-cm (3/4-in.) ISO coupler: 1 |
| SCV control | Electronic |
REAR HITCH
| Hitch category (SAE designation) | Standard: Category 4N/3 standard lift at 610 mm (24 in.) behind hitchpoint: 9072 kg/20,000 lb/Optional: Category 4N/3 at 610 mm (24 in.) behind hitchpoint: 6803 kg/15,000 lb |
| Maximum lift capacity behind lift points | Standard (at 610-mm [24-in.] behind hitch point): 12,124 kg/26,729 lb |
| Sensing type | Electrohydraulic |
DRAWBAR
| Drawbar category | Standard: Category 4/Optional: Category 4 with heavy-duty support |
| Maximum vertical load | Standard: 2245 kg/4950 lb/Optional (dependent on drawbar position): 4990 kg/11,000 lb |
REAR POWER TAKE-OFF (PTO)
| Type | Independent/Standard: 44 mm (1.75 in.) 20-spline, 1,000 rpm/Optional: 44 mm (1.75 in.), 20-spline, 1,000 rpm capable of 35 mm (1.375 in.) 540/1000 rpm/44 mm (1.75 in.) 20-spline, 1,000 rpm/1,000E rpm |
| Engine rpm (at rated PTO speeds) | IVT: 1,000 PTO rpm at 2,000 engine rpm, 1,000 ECO PTO at 1594 engine rpm, 540 PTO rpm at 1,814 engine rpm/e23 PowerShift: 1,000 PTO rpm at 1,995 engine rpm, 1,000 ECO PTO at 1,590 engine rpm, 540 PTO rpm at 1,810 engine rpm |
| Multispeed PTO option availability | Available: 45-mm (1.75-in.), 1000-rpm and 1000E economy rpm PTO, in-cab shiftable |
| PTO actuation | Electrohydraulic with adjustable modulation |
REAR AXLE
| Type | Flange |
| Final drive type | Inboard planetary |
| Rear differential lock | Full-locking electrohydraulic |
FRONT AXLE
| Type | 1700 Series MFWD |
| Front axle differential lock | Full-locking electrohydraulic (actuated at same time as rear diff-lock) |
TIRES
The John Deere 8RX 340 features a turning radius of 9.14 meters (30 feet) when using a 3048-mm (120-in.) tread setting and 457-mm (18-in.) tracks, which enhances maneuverability in tight spaces. This tight turning capability is beneficial for applications in row crop farming where precision handling is required. However, the large footprint from wide tracks may limit its ability to operate in very confined areas compared to narrower tracked or wheeled tractors.
| Turning radius without brakes | 9.14 m/30 ft/With 3048-mm (120-in.) tread setting and 457-mm (18-in.) front and rear tracks/Measured center of drawbar in U-turn |
TRACKS
| Tread spacing | Available: 1930.4 mm/76 in./2032 mm/80 in./2235.2 mm/88 in./3048 mm/120 in. |
| Drive type | Camso® 4500 and 6500 General Ag Series - reinforced drive lug technology |
| Track width | Available: 457 mm/18 in./609 mm/24 in./762 mm/30 in. |
| Midrollers | Front: Two/Rear: Three |
STEERING
| Type | Standard: Hydraulic power-steering with electric pump backup |
ELECTRICAL SYSTEM
| Alternator size | Standard: 200 amp/Optional: 330 amp |
| Battery options | 12 V |
| Working lights | Standard: 18 halogen/Available: 18 LED/22 LED |
| Type of bulb in headlight (Halogen, Zenon, LED) | /Standard: halogen, 65 W/Available: LED |
| Total cold cranking amps | 1,850 CCA |
OPERATOR STATION
| Seat | Degree of seat swivel, left hand/25 degree (angle)/Degree of seat swivel, right hand/40 degree (angle)/Standard: air suspension |
| Cab suspension | Standard: four-post cab suspension |
| Instructional seat | Standard |
| Display | Standard: 4600 Generation 4 CommandCenter: 25.4 cm/10 in. |
| Radio | Standard: AM/FM stereo with weatherband, remote controls, auxiliary input jack, four speakers and external antenna |
| Inner cab volume | 3.24 m3/114 cu ft |
| Cab glass area | 6.52 m2/70.18 sq ft |
DIMENSIONS
| Wheelbase | 3235 mm/127.36 in. |
WEIGHT
| Base machine weight | e23, 457-mm (18-in.) front/rear and 3048-mm (120-in.) tread: 19,600 kg/43,300 lb |
| Maximum ballast level | 20,000 kg/44,100 lb |
| Maximum permissible weight | 24,000 kg/53,000 lb |
CAPACITIES
| Crankcase oil volume | 26.6 L/7 U.S. gal. |
| Fuel tank | 927 L/245 U.S. gal. |
| Diesel exhaust fluid (DEF) tank | 37.2 L/9.8 U.S. gal. |
| Cooling system | 42.3 L/11.2 U.S. gal. |
| Transmission-hydraulic system | 1930-mm and 2032-mm (76-in. and 80-in.) tread: 250 L/661. U.S. gal./2235-mm and 3048-mm (88-in. and 120-in.) tread: 260.6 L/68.8 U.S. gal. |
SERVICEABILITY
| Interval for engine oil change | 500 hours |
| Interval for hydraulic/transmission oil change | 1,500 hours |
| Interval for engine coolant change | 6,000 hours |
PRECISION AG
| Guidance | Integrated AutoTrac |
| Telematic | JDLink hardware standard, activations, and Ethernet harnesses (availability dependent upon destination) |
| Remote diagnostics | JDLink hardware standard |
MISCELLANEOUS
| Country of manufacture | USA |
ADDITIONAL INFORMATION
| Date collected | 22-Jan-2021 |