John Deere 4320 (2005-2014)

The John Deere 4320, produced from 2005 to 2014, is a highly regarded compact utility tractor known for its versatility and reliability. It’s a popular choice among farmers and landowners for a wide range of tasks, from mowing and landscaping to light construction and material handling. With a powerful engine and various attachment options, the 4320 is well-equipped to tackle diverse challenges. Its compact size and maneuverability make it suitable for both large and small properties. Overall, the John Deere 4320 is a trusted workhorse in the agricultural and landscaping industries, valued for its performance and durability.

John Deere 4320 Specs
Production Years2005 – 2014
Series4000 Twenty Compact Series
TypeCompact Utility tractor
ManufacturerJohn Deere
FactoryBuilt in Augusta, Georgia, USA
Engine (Gross)48.1 hp (35.9 kW)
Gear PTO (Claimed)40.5 hp (30.2 kW)
Hydro PTO (Claimed)40 hp (29.8 kW)
PTO (Tested)41.58 hp (31.0 kW)
Engine Detail
ManufacturerJohn Deere
Fuel TypeTurbocharged diesel
CoolingLiquid-cooled vertical
Displacement148.9 cubic inches (2.4 liters)
Bore/Stroke3.386×4.134 inches (86 x 105 mm)
Power (Gross)48.1 hp (35.9 kW)
Air CleanerPaper and felt elements
Pre-heatingGlow plugs
Compression Ratio20:1
Rated RPM2400
Idle RPM1000-2600
Torque127 lb-ft (172.2 Nm) at 1440 RPM
Starter Volts12
Starter Power2.9 hp (2.2 kW)
Oil Capacity7.9 quarts (7.5 liters)
Coolant Capacity6.4 quarts (6.1 liters)
Transmission Options
12-speed hydrostatic TransmissionPowrReverser
Gears12 forward and reverse
Oil Capacity41.2 quarts (39.0 liters)
eHydro TransmissionHydrostatic
GearsInfinite 3-range forward and reverse
Oil Capacity38.4 quarts (36.3 liters)
Fuel14.5 gallons (54.9 liters)
Gear Hydraulic System10.3 gallons (39.0 liters)
Hydro Hydraulic System9.6 gallons (36.3 liters)
TypeOpen center
Gear Hydraulic System Capacity10.3 gallons (39.0 liters)
Hydro Hydraulic System Capacity9.6 gallons (36.3 liters)
Pressure2500 psi (172.4 bar)
Pump Flow12 gpm (45.4 lpm)
Total Flow17.1 gpm (64.7 lpm)
Steering Flow5.1 gpm (19.3 lpm)
Tractor Hitch
Rear TypeI
Rear Lift (at 24″/610mm)2,500 lbs (1134 kg)
Power Take-off (PTO)
Rear PTOIndependent
Rear PTO Type540
Mid PTOIndependent (Optional)
Mid PTO Type2100
Serial Numbers
Charging SystemAlternator
Charging Amps75
Battery CCA (Cold Cranking Amps)770
Battery Volts12
John Deere 4320 Tires
Ag Front8.00-16
Ag Rear13.6-28
Wheelbase71.5 inches (181 cm)
Length128.2 inches (325 cm)
Width65.6 inches (166 cm) with R1 tires, 91.9 inches (233 cm) with R4 tires
Height (Hood)62 inches (157 cm)
Height (ROPS)97.2 inches (246 cm)
Operating Weight3,850 lbs (1746 kg)
Max Drawbar1,103 lbs (500 kg)
72″ Mid-Mount Mower Deck
TypeMid-mount John Deere
Blades3-blade with hydraulic lift
Cutting Width72 inches (182 cm)
Weight448 lbs (203 kg)
Overall Width85 inches (215 cm)
Cut Height1 to 9.6 inches (2 to 24 cm)
John Deere 400X Loader
Full Lift at Pin2346 lbs (1064 kg)
Full Lift at 500mm1720 lbs (780 kg)
1.5m Lift at Pin2701 lbs (1225 kg)
1.5m Lift at 500mm2154 lbs (977 kg)
Breakout Force at Pin3453 lbs (1566 kg)
Breakout Force at 500mm2606 lbs (1182 kg)
Breakout Force (Bucket)3289 lbs (1491 kg)
Dump Angle46°
Reach (Dumped)24.4 inches (61 cm)
Reach (Ground)64.3 inches (163 cm)
Rollback Angle (Ground Line)32°
Rollback Angle (Raised)117°
Height at Pin112.8 inches (286 cm)
Clearance (Dumped)89.5 inches (227 cm)
Clearance (Level)104.8 inches (266 cm)
Weight927 lbs (420 kg)
Bucket Width Options61 inches (154 cm) and 73 inches (185 cm)
John Deere 400CX Loader
Full Lift at Pin2368 lbs (1074 kg)
Full Lift at 500mm1742 lbs (790 kg)
1.5m Lift at Pin2734 lbs (1240 kg)
1.5m Lift at 500mm2181 lbs (989 kg)
Breakout Force at Pin3435 lbs (1558 kg)
Breakout Force at 500mm3055 lbs (1385 kg)
Breakout Force (Bucket)4638 lbs (2103 kg)
Dump Angle45°
Reach (Dumped)24.8 inches (62 cm)
Reach (Ground)64.7 inches (164 cm)
Rollback Angle (Ground Line)43°
Rollback Angle (Raised)43°
Height at Pin112.8 inches (286 cm)
Clearance (Dumped)89.7 inches (227 cm)
Clearance (Level)104.8 inches (266 cm)
Weight1100 lbs (498 kg)
Bucket Width Options61 inches (154 cm) and 73 inches (185 cm)
John Deere 485 Backhoe
Backhoe TypeJohn Deere 485 Backhoe
Weight1460 lbs (662 kg)
Transport Height90 inches (228 cm)
Digging Depth105 inches (266 cm)
Reach from Pivot142 inches (360 cm)
Loading Height88 inches (223 cm)
Bucket Rotation180°
Swing Arc180°
Bucket Force3730 lbs (1691 kg)
Dipperstick Force2435 lbs (1104 kg)
John Deere 4320 overview

The John Deere 4320, a member of the esteemed 4000 Twenty Compact Series, epitomizes the pinnacle of compact utility tractors during its production years from 2005 to 2014. This stalwart of agricultural machinery, crafted by the renowned manufacturer John Deere and assembled in Augusta, Georgia, USA, boasts a formidable powerplant. Its turbocharged diesel engine delivers a robust 48.1 horsepower, providing the necessary muscle for a wide spectrum of tasks, from plowing fields to tending gardens.

One of the key highlights of the 4320 is its adaptability, underscored by the availability of two transmission options: the 12-speed PowrReverser and the eHydro hydrostatic transmission. This flexibility empowers users to select the transmission best suited to their operational needs, whether it’s for precision maneuvering or high-torque applications.

The hydraulic system on the John Deere 4320 is engineered for exceptional performance, and its rear hitch can hoist up to 2,500 pounds with ease. This robust hydraulic setup, in conjunction with various Power Take-Off (PTO) options, ensures seamless compatibility with an array of implements and attachments. Whether it’s powering a mower deck for pristine lawns or connecting to a loader for heavy lifting, the 4320 is the epitome of versatility.

For those seeking a comprehensive toolkit for their agricultural endeavors, the John Deere 4320 offers compatibility with a 72″ mid-mount mower deck, as well as optional loader configurations, including the John Deere 400X and 400CX loaders. Moreover, it can be equipped with a 485 backhoe for enhanced digging and excavation capabilities.

The John Deere 4320 stands as a symbol of reliability and durability in the world of compact utility tractors. Its exceptional build quality, coupled with advanced technology and a legacy of trust, ensures that it remains a favored choice for professionals and enthusiasts alike, making it a cornerstone of productivity in agriculture and landscaping operations.