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Pressure‑compensated, load‑sensing (PCLS) hydraulics deliver smooth control, excellent multifunctioning, and increased craning capacity—helping operators work efficiently at lower engine speeds with precise machine response.
Powered by the John Deere PowerTech™ EWL 4.5L engine, the 320 P‑Tier delivers strong power and torque without the need for a diesel particulate filter, helping improve reliability, simplify maintenance, and reduce operating costs.
An available Heavy‑Lift option increases lifting and craning performance, making the 320 P‑Tier well‑suited for underground utility work, material handling, and applications that demand extra stability and strength.
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Manufacturer | John Deere |
Model | PowerTech™ EWL 4.5L turbocharged |
Non-Road Emission Standards | EPA Final Tier 4/EU Stage IV |
Cylinders | 4 |
Valves Per Cylinder | 2 |
Displacement | 276 cu in. |
Displacement | 4.52 L |
Bore and Stroke | 4.19 x 5.00 in. |
Bore and Stroke | 106.43 x 127.00 mm |
Rated Speed | 2200 rpm |
Gross Power At Rated Speed | 111 hp |
Gross Power At Rated Speed | 82.8 kW |
Peak Power Speed | 1900 rpm |
Gross Peak Power At Peak Power Speed | 115 hp |
Gross Peak Power At Peak Power Speed | 85.8 kW |
Peak Torque Speed | 1600 rpm |
Gross Peak Torque At Peak Torque Speed | 344 lb-ft |
Gross Peak Torque At Peak Torque Speed | 466.55 Nm |
Net Power At Rated Speed (ISO9249) | 109 hp |
Net Power At Rated Speed (ISO9249) | 82.3 kW |
Net Peak Power At Peak Power Speed (ISO9249) | 84.3 kW |
Net Peak Torque At Peak Torque Speed (ISO9249) | 339 lb-ft |
Net Peak Torque At Peak Torque Speed (ISO9249) | 459.6 Nm |
Net Torque Rise | 30 % |
Oil Specification | JD Torq-Gard or equivalent |
Lubrication | Pressure system with spin-on filter and cooler |
Fuel System | Level 34 electronic fuel system with Denso high pressure common rail |
Air Cleaner | Dual stage dry type with safety element and evacuator valve |
Fan Type | Electronically controlled, variable rate, suction type cooling fan, Standard |
Engine Coolant Rating | -40 °F |
Engine Coolant Rating | -40 ℃ |
Engine Radiator (Fins Per In.) | 10 |
Engine Oil Cooler Type | Oil-to-water |
Hydraulic Cooler Type | Oil-to-air |
Transmission Cooler Type | oil-to-water |
Transmission Type | 5-speed, helical-cut gears, full PowerShift™ transmission with hydraulic reverser standard; electric clutch cutoff on loader lever; AutoShift transmission standard |
Number Of Gears Forward | 5 |
Number Of Gears Reverse | 3 |
Shift Control Type | Electric forward-neutral-reverse control lever with neutral start interlock |
Torque Converter Type | Single stage, dual phase with 2.63:1 stall ratio |
Torque Converter | 11 in. |
Torque Converter | 279.4 mm |
Conditions For Measuring Travel Speeds | Power-Shift, Standard Transmission with Tire Size 19.5L-24 Rear Tires |
Gear 1, Forward Maximum Speed | 3.3 mph |
Gear 1, Forward Maximum Speed | 5.3 km/h |
Gear 1, Reverse Maximum Speed | 4.2 mph |
Gear 1, Reverse Maximum Speed | 6.76 km/h |
Gear 2, Forward Maximum Speed | 6.1 mph |
Gear 2, Forward Maximum Speed | 9.8 km/h |
Gear 2, Reverse Maximum Speed | 7.7 mph |
Gear 2, Reverse Maximum Speed | 12.4 km/h |
Gear 3, Forward Maximum Speed | 12.6 mph |
Gear 3, Forward Maximum Speed | 20.29 km/h |
Gear 3, Reverse Maximum Speed | 12.4 mph |
Gear 3, Reverse Maximum Speed | 20 km/h |
Gear 4, Forward Maximum Speed | 22.9 mph |
Gear 4, Forward Maximum Speed | 36.9 km/h |
Axle Oscillation Stop To Stop, Front Axle | 22 degree (angle) |
Front Axle, Sae J43 Rating | 12000 lb. |
Front Axle, Sae J43 Rating | 5443.1 kg |
Front Axle, Dynamic Rating | 19800 lb. |
Front Axle, Dynamic Rating | 8981.45 kg |
Front Axle, Static Rating | 58400 lb. |
Front Axle, Static Rating | 26490 kg |
Front Axle, Ultimate Rating | 97000 lb. |
Front Axle, Ultimate Rating | 43998.5 kg |
Rear Axle, SAE J43 Rating | 15400 lb. |
Rear Axle, SAE J43 Rating | 6985.3 kg |
Rear Axle, Dynamic Rating | 22000 lb. |
Rear Axle, Dynamic Rating | 9979.03 kg |
Rear Axle, Static Rating | 58400 lb. |
Rear Axle, Static Rating | 26496.91 kg |
Rear Axle, Ultimate Rating | 97000 lb. |
Rear Axle, Ultimate Rating | 43998.5 kg |
Maximum Axle Torque | 46100 lb. |
Maximum Axle Torque | 20913.91 kg |
Mechanical Front Wheel Drive Axle Differential Type | Automatic, limited-slip traction control |
Rear Axle Differential Type | Foot actuated, hydraulically engaged 100% mechanical lock |
Rear Differential Lock Pressure | 305 psi |
Rear Differential Lock Pressure | 2102.72 kPa |
Steering Type | Hydrostatic Power Steering and Emergency Steering (ISO 5010) |
Steering Pressure | 3625 psi |
Steering Pressure | 24987.5 kPa |
Maximum Steer Angle, Mechanical Front-Wheel Drive (MFWD) Axle | 52 degree (angle) |
Maximum Steer Angle, Non-Powered Front Axle | 55 degree (angle) |
Curb-Turning Radius, With Brakes, With MFWD Axle | 11, 7 ft, in. |
Curb-Turning Radius, With Brakes, With MFWD Axle | 3.53 m |
Curb-Turning Radius, With Brakes, With Non-Powered Front Axle | 11, 4 ft, in. |
Curb-Turning Radius, With Brakes, With Non-Powered Front Axle | 3.45 m |
Curb-Turning Radius, Without Brakes, With MFWD Axle | 13, 2 ft, in. |
Curb-Turning Radius, Without Brakes, With MFWD Axle | 4 m |
Curb-Turning Radius, Without Brakes, With Non-Powered Front Axle | 12, 10 ft, in. |
Curb-Turning Radius, Without Brakes, With Non-Powered Front Axle | 3.91 m |
Bucket Clearance Circle, With Brakes, With MFWD Axle | 33, 0 ft, in. |
Bucket Clearance Circle, With Brakes, With MFWD Axle | 10.1 m |
Bucket Clearance Circle, With Brakes, With Non-Powered Front Axle | 32, 9 ft, in. |
Bucket Clearance Circle, With Brakes, With Non-Powered Front Axle | 9.98 m |
Bucket Clearance Circle, Without Brakes, With MFWD Axle | 35, 6 ft, in. |
Bucket Clearance Circle, Without Brakes, With MFWD Axle | 10.82 m |
Bucket Clearance Circle, Without Brakes, With Non-Powered Front Axle | 35, 0 ft, in. |
Bucket Clearance Circle, Without Brakes, With Non-Powered Front Axle | 10.67 m |
Number Of Steering Wheel Turns (Lock To Lock) With MFWD Axle | 3.6 |
Number Of Steering Wheel Turns (Lock To Lock) With Non-Powered Front Axle | 4.3 |
MFWD Axle Final Drives And Gears | Heavy duty, outboard planetary final drives distribute shock loads over 3 gears |
MFWD Axle Total Ratio | 14.759:1 |
Rear Axle Final Drives And Gears | Heavy duty, outboard planetary final drives distribute shock loads over 4 gears |
Rear Axle Total Ratio | 19.911:1 |
Brakes | Conform to ISO 3450 |
Service Brakes | Power assisted, hydraulic wet disc, mounted inboard, self adjusting and self equalizing |
Service Brakes Friction Disc Area Per Side | 141900 mmByMm |
Hydraulics System Type | Pressure compensated load sensing (PCLS), axial piston pump |
Rated Rpm | 2200 rpm |
Backhoe Pump Flow | 43 gpm |
Backhoe Pump Flow | 162.8 L/min |
Loader Pump Flow | 43 gpm |
Loader Pump Flow | 162.8 L/min |
Backhoe System Relief Pressure | 3625 psi |
Backhoe System Relief Pressure | 24987.5 kPa |
Backhoe Lift Mode System Relief Pressure | 4000 psi |
Backhoe Lift Mode System Relief Pressure | 27579 kPa |
Loader System Relief Pressure | 3625 psi |
Loader System Relief Pressure | 24993.5 kPa |
Backhoe Controls | 2-lever mechanical standard; pilot control with pattern select with electrohydraulic (EH) auxiliary functions optional |
Loader Controls | Single-lever control with electric clutch cutoff switch and MFWD (momentary) standard; single-lever control with electric clutch cutoff switch, electrohydraulic (EH) proportional auxiliary roller, MFWD (momentary), and transmission quick-shift optional |
Voltage | 12 V |
Number Of Batteries | 2 |
Battery Capacity (2 Batteries) | 1900 CCA |
Battery Capacity (1 Battery) | 950 CCA |
Reserve Capacity (2 Batteries) | 350 min. |
Reserve Capacity (1 Battery) | 175 min. |
Alternator Rating | 145 amp |
Lighting Options | 10 halogen: 4 front, 4 rear, and 2 side docking (32,500 candlepower each); turn signals and flashers: 2 front and 2 rear; stop and taillights; and 2 rear reflectors; factory installed option for 2 LED spot lights and 8 LED flood lights in lieu of the standard halogen light package |
Operator Station Type | Fully enclosed cab, isolation mounted, ROPS/FOPS, left/right access, with molded roof; optional quarter cab (front glass only) and canopy |
Alternator, Low Voltage | Indicator light, Audible |
Service Code Indicator | Indicator light |
Engine Air Filter Restriction | Indicator light, Audible, Digital |
Engine Coolant Temperature | Indicator light, Audible, Gauge |
Engine Oil Pressure | Indicator light, Audible |
Fuel Level | Indicator light, Audible, Gauge, Digital |
Hydraulic Oil Filter Restriction | Audible, Digital |
Park Brake On/Off | Indicator light |
Seat Belt Reminder | Indicator light, Digital |
Stop Indicator | Indicator light, Audible |
MFWD Active | Indicator light |
Hydraulics Enabled | Indicator light |
Engine Preheat | Indicator light, Digital |
Aftertreatment Temperature High | Indicator light |
Torque Converter Oil Temp | Indicator light, Audible, Gauge, Digital |
Job Timer | Digital |
Hourmeter | Digital |
Engine Rpm | Digital |
System Voltage | Digital |
Machine Information And Configuration | Digital |
Diesel-Exhaust Fluid (DEF) Level | Indicator light, Audible, Digital |
Sight Gauges | Hydraulic Reservoir |
Diagnostics | In-Cab Monitor Information |
Refill Capacity Cooling System (Cab) | 29.1 qt |
Refill Capacity Cooling System (Cab) | 27.54 L |
Refill Capacity Cooling System (Canopy) | 27.2 qt |
Refill Capacity Cooling System (Canopy) | 25.74 L |
Refill Capacity Rear Axle Differential Housing | 19 qt |
Refill Capacity Rear Axle Differential Housing | 17.98 L |
Refill Capacity Engine Oil | 13.7 qt |
Refill Capacity Engine Oil | 12.97 L |
Refill Capacity Torque Converter And Transmission | 16 qt |
Refill Capacity Torque Converter And Transmission | 15.14 L |
Refill Capacity Fuel Tank | 34 gal. |
Refill Capacity Fuel Tank | 128.7 L |
Refill Capacity Diesel-Exhaust Fluid (DEF) Tank | 3.6 gal. |
Refill Capacity Diesel-Exhaust Fluid (DEF) Tank | 13.63 L |
Refill Capacity Hydraulic System | 33.5 gal. |
Refill Capacity Hydraulic System | 126.87 L |
Refill Capacity Hydraulic Reservoir | 11.9 gal. |
Refill Capacity Hydraulic Reservoir | 45.06 L |
Refill Capacity Mechanical Front-Wheel Drive Housing Axle | 6.9 qt |
Refill Capacity Mechanical Front-Wheel Drive Housing Axle | 6.53 L |
Refill Capacity Mechanical Front-Wheel Drive Housing Planetary Each | 1 qt |
Refill Capacity Mechanical Front-Wheel Drive Housing Planetary Each | 0.95 L |
Operator And Standard Equipment With Full Fuel Tank | 17081 lb. |
Standard With Bumper | 15872 lb. |
Standard With Bumper | 7199.4 kg |
Typical With Cab, Extendible Dipperstick, And 750-Lb Counterweight | 17692 lb. |
Typical With Cab, Extendible Dipperstick, And 340-Kg Counterweight | 8025 kg |
Cab | 580 lb. |
Cab | 263.1 kg |
Mechanical Front-Wheel Drive With Tires | 485 lb. |
Mechanical Front-Wheel Drive With Tires | 220 kg |
Extendable Dipperstick | 490 lb. |
Extendable Dipperstick | 222.3 kg |
Front Loader Coupler | 566 lb. |
Front Loader Coupler | 256.7 kg |
Backhoe Bucket Coupler | 138 lb. |
Backhoe Bucket Coupler | 62.6 kg |
Hydraulic Capacity Minimum Tines | 48 in. |
Hydraulic Capacity Minimum Tines | 1219.2 mm |
At Maximum Height With Minimum Tines | 4558 lb. |
At Maximum Height With Minimum Tines | 2067.5 kg |
At Maximum Reach With Minimum Tines | 7017 lb. |
At Maximum Reach With Minimum Tines | 3182.9 kg |
At Ground Line With Minimum Tines | 8863 lb. |
At Ground Line With Minimum Tines | 4020.2 kg |
Below Ground Line With Minimum Tines | 7.3 in. |
Below Ground Line With Minimum Tines | 185.4 mm |
Rated Capacity Of Minimum Tines | 8598 lb. |
Rated Capacity Of Minimum Tines | 3900 kg |
Hydraulic Capacity Maximum Tines | 60 in. |
Hydraulic Capacity Maximum Tines | 1524 mm |
At Maximum Height With Maximum Tines | 4260 lb. |
At Maximum Height With Maximum Tines | 1932.3 kg |
At Maximum Reach With Maximum Tines | 6617 lb. |
At Maximum Reach With Maximum Tines | 3001.4 kg |
At Ground Line With Maximum Tines | 8306 lb. |
At Ground Line With Maximum Tines | 3767.5 kg |
Below Ground Line With Maximum Tines | 7.8 in. |
Rated Capacity Of Maximum Tines | 8598 lb. |
Rated Capacity Of Maximum Tines | 3900 kg |
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**The accuracy of this calculator and its applicability to your circumstances is not guaranteed. You should obtain personal advice from qualified professionals. This information is provided for illustrative purposes only and does not constitute an application. This notice does not guarantee loan approval, nor is it an offer or commitment to make a loan to you on the above terms.
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