| Manufacturer | John Deere |
| Price | 408,496(USD) |
| Model | 8R 340 |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
KEY SPECS
| Engine description | John Deere PowerTech 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: e23 PowerShift with Efficiency Manager 50K, 50 km/h (31 mph)/John Deere AutoPowr IVT 40K, 0.05-42 km/h (0.03-26 mph)/John Deere AutoPowr IVT 50K, 0.05-50 km/h (0.03-31 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 | ILS/e23: 12,700 kg/28,000 lb |
ENGINE SPECIFICATIONS
The John Deere 8R 340's PowerTech 9.0 L diesel engine, with its in-line 6-cylinder configuration and wet-sleeve liners, ensures efficient cooling and ease of maintenance. Its robust design, featuring a variable geometry turbocharger and advanced emissions after-treatment (DOC, DPF, SCR), meets Final Tier 4 standards, enhancing fuel efficiency while reducing emissions. This makes it an ideal choice for demanding agricultural tasks, although the complexity of the emission control system may require specialized maintenance.
| Description | John Deere PowerTech 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 8R 340 tractor boasts a robust rated power of 340 hp and a maximum engine power of 374 hp with a 10% power boost, making it suitable for demanding applications. The peak torque of 1592 Nm at 1600 rpm, coupled with a 40% PTO torque rise, enhances its performance in heavy-duty tasks like plowing or tilling. While it offers significant power and torque advantages, operators should ensure compatibility with high-draft implements to prevent mechanical overload and ensure efficiency.
| 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 8R 340 features the e23 PowerShift transmission with Efficiency Manager, optimizing fuel efficiency through automatic gear selection. The optional AutoPowr IVT transmission provides a continuous variable speed range, ideal for applications requiring precise control over speed and torque, improving productivity in variable operating conditions. A potential challenge with the higher gear options is maintenance complexity, but the enhanced speed capabilities (50 km/h) significantly benefit transport operations on public roads.
| Type | Standard: e23 PowerShift with Efficiency Manager 40K, 40 km/h/24.9 mph/Optional: e23 PowerShift with Efficiency Manager 50K, 50 km/h/31 mph/John Deere AutoPowr IVT 40K, 0.05-42 km/h (0.03-26 mph)/John Deere AutoPowr IVT 50K, 0.05-50 km/h (0.03-31 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 |
| Rear axle differential lock | Electrohydraulic |
DRAWBAR
| Drawbar category | Standard: Category 4/Optional: Category 4 with heavy-duty support |
| Maximum vertical load | Dependent on drawbar position: 1837 to 2700 kg/4050 to 6000 lb/Optional: 2,245 kg/4,950 lb/4,990 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 |
FRONT HITCH
| Category | Category 3N |
| Standard lift capacity | Category 3N ground-engaging front hitch: 5200 kg/11,464 lb |
| Front power take-off (PTO) | 44 mm (1.75 in.) 20 spline, 1000 rpm/35 mm (1.375 in.) 21 spline, 1000 rpm/35 mm (1.375 in.) 6 spline, 1000 rpm (available dependent on location) |
| PTO speed | 1,000 PTO rpm at 2000 engine rpm |
REAR AXLE
| Type | Standard: Rack-and-pinion, double flat, or flange axles/Optional: Long, dual taper hub: Diameter: 110 x 3010 mm/4.33 x 118.5 in./Short, double flat axle with single taper hub: Diameter: 120 x 2550 mm/4.72 x 100.4 in. |
| Final drive type | Inboard planetary three pinion |
| Rear differential lock | Full-locking electrohydraulic |
FRONT AXLE
| Type | Standard: ILS/Optional: 1500 Series MFWD |
| Front axle differential lock | 1500 Series MFWD: Full-locking electrohydraulic/ILS: Full-locking electrohydraulic |
TIRES
The John Deere 8R 340 tractor features a versatile wheel tread range of 1524-3657 mm, allowing customization for various terrains and applications. Its turning radius ranges from 5.77 m to 6.14 m depending on tire size and spacing, providing maneuverability in tight spaces such as orchards or small fields. The optional Central Tire Inflation System (CTIS) enhances traction and ride comfort by adjusting tire pressure on-the-go, proving beneficial in varied soil types and conditions.
| Wheel tread range | 1500 Series MFWD: 1524-3657 mm/60-144 in./ILS: 1524-3657 mm |
| Turning radius without brakes | ILS with 380/80R38 group 43 tires at 152.4-cm (60-in.) spacing: 5.77 m/18.9 ft/ILS with 600/70R30 group 43 tires at 187-cm (74-in.) spacing: 6.14 m/20.1 ft |
| Central Tire Inflation System (CTIS) | Optional |
STEERING
| Type | Standard: Hydraulic power-steering with electric pump back-up/Optional: ActiveCommand Steering 2 (ACS 2) with electronic backup pump |
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/Optional: ActiveSeat II |
| Cab suspension | Optional |
| 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 | MFWD: 3,080 mm/121.3 in./ILS: 3,050 mm/120.1 in. |
| Overall length | 6,636 mm/261.3 in. |
| Drawbar clearance | 376 mm/14.8 in. |
| Front axle center | MFWD: 686 mm/27 in./ILS: 590 mm/23.2 in. |
WEIGHT
| Base machine weight | ILS/e23: 12,700 kg/28,000 lb |
| Maximum ballast level | 20,000 kg/44,100 lb |
| Maximum permissible weight | 20,000 kg/44,100 lb |
CAPACITIES
| Crankcase oil volume | 1500 MFWD: 27.6 L/7.3 U.S. gal./ILS: 25.8 L/6.8 U.S. gal. |
| Fuel tank | 727 L/192 U.S. gal./CTIS: 651 L/172 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 | 1500 MFWD: 184.6 L/48.8 U.S. gal./ILS: 207.2 L/54.7 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 |
LOADERS
| Loader | H480 |
| Lift capacity at full height | 2,486 kg/5469 lb/measured at 800 mm (31.5 in.) ahead of pivot |
| Maximum lift height | 4735 mm/186 in. |
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 | 1 March 2021 |