Contents
Dimensions
| Wheelbase | 106.5 in (2705 mm) |
| Overall Length | 159.5 in (4051 mm) |
| Overall Width | 89.75 in (2280 mm) |
| Overall Height to Top of Cab | 113 in (2870 mm) |
| Height to Steering Wheel | 81.5 in (2070 mm) |
| Front Tread | 51 – 80 in (1295 – 2032 mm) |
| Rear Tread | 60 – 91 in (1524 – 2311 mm) |
| Ground Clearance (front axle) | 21 in (533 mm) |
| Ground Clearance (rear axle) | 27.8 in (700 mm) |
| Height of Drawbar | 21 in (533 mm) |
| Turning Radius (w/ Power Front Wheel Drive) | 126 in (3200 mm) |
| Turning Radius (w/o Power Front Wheel Drive) | 136 in (3454 mm) |
Weight
| Operating Weight | 10675 lb (4842 kg) |
| Shipping Weight | 9050 lb (4105 kg) |
| Ballasted Weight | 14380 lb (6522 kg) |
| Rear Tire Cast Iron Ballast Weight (each) | 980 lb (444.5 kg) |
| Front Tire Cast Iron Ballast Weight (each) | 10 lb (4.5 kg) |
Engine Details
| Number Of Cylinders | 6 |
| Engine Make | John Deere |
| Engine Model | John Deere 6404TR |
| Displacement | 404 cu in (6.6 L) |
| Bore | 4.25 in (108 mm) |
| Stroke | 4.75 in (121 mm) |
| PTO Horsepower | 116.55 hp (86.9 kw) |
| Drawbar Horsepower | 101.7 hp (75.8 kw) |
| Power Measured @ | 2200 rpm |
| Compression | 15.7:1 |
| Air Cleaner | Dry type with safety element |
| Aspiration | Turbocharged |
Transmission
| Model | John Deere Syncro-Range |
| Transmission Type | Synchro-Range, constant mesh |
| Clutch | Heavy duty 13.5″ dry disc |
| Shifting | 4 stations, synchronized forward shifting within stations |
| Number Of Forward Gears | 8 |
| Number Of Reverse Gears | 2 |
| Max Travel Speed (Forward) | 18.9 mph (30.4 km/h) |
| Max Travel Speed (Reverse) | 6.6 mph (10.6 km/h) |
Operational Specs
| Operating Voltage | 12 V |
| Alternator | 55 amps / 72 amps (for Cab version) |
| Battery | 2x 6 V, 172 Ah |
| Tractor Cab | Open operator station / Cab |
| Drive | 4×2 2WD / 4×4 HFWD 4WD |
| Steering | Hydrostatic Power Steering |
| Service Brakes | Hydraulically power actuated, disk-type operating in oil. Provision for manual operation with brake accumulator to supply oil |
| Front Tire Size | 7.5L-15, 6-ply; 10.00-16; 11.00-12 (single front); 7.50-16; 7.50-18; 11L-15; 11.2-24 (4WD); 12.4-24 (4WD) |
| Front Tire Size | 20.8-34, 10-ply; 18.4-34; 15.5-38; 16.9-38; 18.4-38; 23.1-30; 13.6-38 (duals); 15.5-38 (duals); 16.9-38 (duals); 18.4-34 (duals) |
PTO (Power Take-Off)
| PTO Type | Rear, Independent |
| Rear PTO Speed | 540/1000 rpm |
| Rear PTO Ahead of Drawbar Hitch Point, 540 rpm | 14 in (455.6 mm) |
| Rear PTO Ahead of Drawbar Hitch Point, 1000 rpm | 16 in (406.4 mm) |
Hydraulic System
| Type | Closed center, constant pressure |
| Description | Actuates power steering, power brakes, Power Front Wheel Drive, and implement control |
| Total Pump Flow | 22 gal/min (83.3 L/min) |
| Max System Pressure | 2250 psi (15510 kPa) |
| Remote Control Valves | 1 to 3 |
| 3 Point Hitch Category | Cat II |
| 3 Point Hitch Lift Capacity @ 24″ | 3750 lb (1701 kg) |
John Deere 4320 Filters
| Engine Oil Filter | AR43634 |
| Fuel Filter | AR50041 |
| Primary Air Filter | AR43634 |
| Secondary Air Filter | AR43635 |
| Transmission/Hydraulic Oil Filter | AR75603 |
Service Refill Capacities
| Fuel Tank Capacity | 44 gal (167 L) |
| Engine Oil Capacity (with Filter) | 4 gal (15.1 L) |
| Cooling System Capacity | 7 gal (26.5 L) |
| Transmission / Hydraulic Oil Capacity | 14 gal (53 L) |
| Transmission / Hydraulic Oil Capacity (w/ Power Front Wheel Drive) | 18.5 gal (70 L) |
John Deere 4320 Attachments
The John Deere 4320 Row-Crop Tractor from 1971 to 1972 is compatible with a range of attachments designed to enhance its versatility in various agricultural tasks
Front-end Loaders
| Model | 148 Loader | 158 Loader |
|---|---|---|
| Lift Capacity (full at pin) | 3100 lb (1406 kg) | 3800 lb (1723 kg) |
| Breakout Force | 4700 lb (2131 kg) | 5000 lb (2268 kg) |
| Dump Angle | 38° | 37° |
| Reach (dumped) | 32 in (810 mm) | 32 in (810 mm) |
| Height (at pin) | 126 in (3200 mm) | 156 in (3960 mm) |
| Clearance (dumped) | 102 in (2590 mm) | 132 in (3350 mm) |
| Clearance (level) | 121 in (3070 mm) | 151 in (3830 mm) |
| Boom Cylinder Diameter | 2.5 in (60 mm) | 2.75 in (70 mm) |
| Bucket Cylinder Diameter | 2.5 in (60 mm) | 2.5 in (60 mm) |
| Weight | 1350 lb (612 kg) | 1771 lb (803 kg) |
| Bucket Width | 60 in (1520 mm) 72 in (1820 mm) 84 in (2130 mm) 96 in (2430 mm) |
60 in (1520 mm) 72 in (1820 mm) 84 in (2130 mm) 96 in (2430 mm) |
| Bucket Capacity | 0.5 yd3 (0.4 m3) 0.6 yd3 (0.5 m3) 0.8 yd3 (0.6 m3) 0.9 yd3 (0.7 m3) |
0.5 yd3 (0.4 m3) 0.6 yd3 (0.5 m3) 0.8 yd3 (0.6 m3) 0.9 yd3 (0.7 m3) |
Rotary Cutters for 4320
The John Deere 4320 Tractor is compatible with a range of rotary cutters for mowing, pasture management, and land clearing. Rotary Cutters: 609, 709, 1008, MX6, MX7, MX10, HX10 + Bush Hog 306, Bush Hog 406, Woods BB84, Land Pride RCR1872, Rhino TW84, etc.
| Rotary Cutter | MX7 | MX10 |
|---|---|---|
| Cutting Width | 84 in (2134 mm) | 126 in (3200 mm) |
| Cutting Height | 1 to 9.5 in | 1 to 12 |
| Cutting Capacity | 2 in (50 mm) | 2 in (50 mm) |
| Blade Tip Speed (540 RPM) | 16182 fpm (4932 m/min) / 184 mph (296 km/h) | 16275 fpm (4961 m/min) / 185 mph (298 km/h) |
| Holder | Round stump jumper | Round stump jumper |
| Gearcases | Center Continuous 75 hp (56 kw) Center Peak 100 hp (75 kw) |
Transfer Continuous 120 hp (89 kW) Transfer Peak 130 hp (97 kW) Outer Continuous 75 hp (56 kW) Outer Peak 100 hp (75 kW) |
| Driveline | Size (Main) ASAE Category 4 Protection (Main) Slip-clutch driveline |
Size (Main) ASAE Category 4 Protection (Main) Non-seize, slip-clutch driveline, pull-type |
| Hitch Type | Lift-type | Lift-type |
| Tractor PTO Range | Minimum 40 hp (30 kW) | Minimum PTO pull-type, semi-mount 40 hp (30 kW) Minimum PTO lift-type 60 hp (45 kW) |
| Overall Width | 88 in (2242 mm) | 129 in (3280 mm) |
| Overall Length | 126 in (3210 mm) | 159 in (4040 mm) |
| Weight | 1332 lb (605 kg) | 2113 lb (960 kg) |
John Deere Sickle Mowers
The JD 4320 can be equipped with sickle bar mowers for hay cutting, roadside maintenance, and field mowing. Below is a list of compatible sickle mowers: John Deere No. 5 (7 ft cutting width), No. 8 (7 ft), 37 (7 ft), 38 (7 ft), John Deere 350 PTO-driven.
| Model | John Deere 350 |
|---|---|
| Cutting Width | 84 in (2134 mm) |
| Cutting Height | Adjustable |
| Blade Type | Sickle |
| Blade Material | High-quality steel |
| Hitch Type | Cat I |
| Number of Blades | 22 |
| Blade Drive | Power take-off (PTO) |
| PTO Speed | 540 rpm |
| Weight | 300 lb (136 kg) |
These attachments provide increased functionality for fieldwork, material handling, and land maintenance.
