Specifications, Service, and Repair of Farm and Lawn Tractors

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John Deere 4320 Attachments

John Deere 4320 Front End Loader

400CX Loader Specifications

Type of Attachment - Front End Loader
Loader Type - Mechanical Self-Leveling (MSL)
Compatibility - John Deere 4320
Weight - 1100 lb (498 kg)
400CX Loader Height (to pin) - 110.9 in. (281 cm)
Dump reach - 27.5 in. (69 cm)
Dump angle - 45
Rollback angle - 41
Breakout force (at pin) - 3512 lb (1593 kg)
Breakout force (at 500mm) - 3159 lb (1432 kg)
Lift to full height (at pin) - 2194 lb (995 kg)
Lift to full height (at 500mm) - 2339 lb (1060 kg)
Lift to 1.5m (at pin) - 2627 lb (1191 kg)
Lift to 1.5m (at 500mm) - 2576 lb (1168 kg)
Raise time to height - 3.68 sec
Bucket dump time - 1.6 sec
Lowering time - 2.48 sec
Rollback time - 1.1 sec

400X Loader Specifications

Type of Attachment - Front End Loader
Compatibility - John Deere 4320
Lifting capacity at pivot pin (maximum height) - 2368 lb. (1074 kg)
Lifting capacity at 0.5 m ahead of pivot pin - 1742 lb. (790 kg)
Lifting capacity to 59 in. at pivot pin - 2634 lb. (1240 kg)
Lifting capacity to 59 in. at 0.5 m ahead - 2181 lb. (981 kg)
Maximum Lifting height at pivot pin - 112,8 in. (2,86 m)
Reach at maximum height - 24,7 in. (0,63 m)
Breakout force at pivot pin - 3506 lbf. (15595N)
Dump angle - 46 degrees
Rollback angle - 31 degrees
400X Loader raising/lowering time - 3,68/2,48 sec.
Bucket dump time/regen - 2,44/1 sec.
Bucket rollback time - 1,44 sec.

440R Loader Specifications

Type of Attachment - Front End Loader
Loader Type - Mechanical Self-Leveling (MSL)
Compatibility - John Deere 4320
Bucket Width - 1850 mm (73 in)
Length - 585 mm (23 in)
Mass - 146 kg (321 lb)
Hydraulic System Rated Flow - 60 L/min (16 gal/min)
Maximum Pressure - 17 237 kPa (172 bar) (2495 psi)
440R Loader Raise Time - 2.42 sec.
440R Loader Lower Time - 1.63 sec.
Bucket Dump Time - 2.29 sec.
Bucket Rollback Time - 1.54 sec.
Lift Height (Maximum) To Pivot Pin - 2767 mm (109 in)
Bucket Level Clearance - 2562 mm (101 in)
Bucket Dumped Clearance - 2220 mm (87 in)
Overall Length - 3585 mm (141 in)
Digging Depth - 164 mm (6 in)
Reach At Maximum Lift Height with Bucket Dumped - 762 mm (30 in)
Bucket Reach on Ground with Bucket Leveled - 1739 mm (68 in)
Dump Angle - 47°
Dump Angle at Ground - 130°
Rollback Angle - 42°
Overall Height - 1535 mm (60 in)
Lift Capacity To Maximum Height at Pivot Point - 1126 kg (2477 lb)
Lift Capacity To Maximum Height - 990 kg (2178 lb)
Lift Capacity To 1500 mm (59 in) at the Pivot pin - 1338 kg (2944 lb)
Lift Capacity To 1500 mm (59 in) - 1284 kg (2825 lb)
Breakout Force At Pivot Point - 17 423 N
Breakout Force At 500 mm forward of the Pivot point - 15 941 N
Bucket Rollback Force At Maximum Height - 11 605 N
Bucket Rollback Force At 1500 mm (59 in) Lift Height - 18 619 N
Bucket Rollback Force At Ground Level Line - 22 249 N

John Deere 4320 Backhoe

448 Backhoe Specifications

Type of Attachment - Backhoe
Compatibility - John Deere 4320
Transport Height (Max.) - 230 cm (7 ft 6 in)
Bucket Rotation - 180 deg.
Loading Height (Bucket at 60 Deg.) - 225 cm (7 ft 4 in)
448 Backhoe Digging Depth - 220 cm (8 ft 9 in)
Reach from Center of Swing Pivot - 360 cm (11 ft 10 in)
Swing Arc - 180 deg
Loading Reach (Bucket at 60 Deg.) - 120 cm (3 ft 10 in)
Ground Clearance - 24 cm (9.5 in)
SAE Dipperstick Digging Force - 2435 lb (10831 N)
SAE Bucket Digging Force - 3730 lb (16592 N)
Boom Lift Capacity @ 36 Inches - 820 lb (373 Kg)
Backhoe Control Valve Main-Relief Setting - 2550 psi (17582 kPa)
Stabilizer Spread, Down (Approx.) - 260 cm (8 ft 3 in)
Stabilizer Spread, Up (Approx.) - 140 cm (4 ft 6 in)
Operating Weight (w/Standard Bucket and Subframe) - 1557 lb. (708 kg)
Bucket Options Width - 31, 46, 61, and 92 cm (12-in, 18-in, 24-in, and 36-in)
Standard Bucket Width - 31 cm (12-in)
Bucket Width - 310 mm (12 in.)
Struck Capacity - 0.034 m3 (1.20 ft3)
Heaped Capacity - 0.043 m3 (1.53 ft3)
Bucket Width - 460 mm (18 in.)
Struck Capacity - 0.052 m3 (1.84 ft3)
Heaped Capacity - 0.070 m3 (2.47 ft3)

Install Rockshaft Assist (RSA) Mounting Plates - Raise rear of tractor and support rear axles with jack stands. Remove rear wheels. Remove four cap screws and washers in sides of drawbar hitch support. Remove four cap
screws and lock washers from bottom of drawbar hitch support. Loosely install both hook weldments on drawbar hitch support with four M12x55 cap screws, and four 1/2 in. washers. Loosely install two M12 nuts, and two 1/2 in. washers on tractor studs. Install four new M14x45 cap screws and 9/16 in. washers in hook weldments. Tighten to 40 Nm (30 lb-ft). Tighten M12x55 cap screws and M12 nuts (E) to 40 Nm (30 lb-ft). Install hex spacer on 16mm stud on both sides of transaxle. Tighten to 163 Nm (120 lb-ft). Use a M16x2 tap to clean the M16 tapped holes in both top and bottom of the rear axles on both sides of tractor.

John Deere 4320 Snowblower

76-inch Snowblower Specifications

Model - Frontier SB2176
Type - Loader-Mount
Compatibility - JD 4320
Working width - 76 in. (193 cm)
Snowblower machine height - 27 in. (68.6 cm)
Auger diameter - 15 in. (38 cm)
Auger Type - Single
Impeller diameter - 24 in. (61 cm)
Impeller width - 8.5 in. (22 cm)
Number of impeller blades - 4
Impeller RPM - 580 rpm
Auger RPM - 185 rpm
Skid shoe - Adjustable
Skid shoe (material) - Steel Steel
End plate thickness - 0.1875 in. (4.8 mm)
Fan blade thickness - 0.25 in. (6.4 mm)
Back plate thickness - 0.12 in. (0.3 mm)
Fan housing thickness - 0.12 in. (0.3 mm)
Side panel bottom thickness - 0.5 in (1.27 mm)
Chute diameter - 12 in. (30 cm)
Chute type - Two-part
Parking stand - Standard
Loader attachment - Current 400 series
Corresponding power pack - HP2134
Snowblower weight - 760 lb. (345 kg)
Deflector adjustment - Standard manual
Chute rotation - Standard hydraulic
Fan relief valve setting - 207 bar (3000 psi)
Auger relief valve setting - 138 bar (2000 psi)
Oil cooler - Standard
Power pack reservoir - 56.8 L15 gal
System capacity - 68.1 L18 gal

64" Snowblower Specifications

Model - Frontier SB1164
Type - Rear Mount
Compatibility - JD 4320
Hitch - Cat. 1 iMatch
Steel skid shoes - Adjustable and replaceable
Cutting edge - Welded
Park Stand - Standard
Chute type - Two part
Chute deflector - Manual standard
Optional deflector adjustment - 3000 psi. (14,647 kPa)
Chute rotation - Manual or hydraulic 245 degrees
Working height - 26 in. (66.0 cm)
Transport width - 64 in. (162.6 cm)
Working width - 64 in. (162.6 cm)
Length - 41 in. (104.1 cm)
Roller chain - #60
Chain idler adjustment - Manual
Chute diameter - 8 in. (20.3 cm)
Auger diameter - 15 in. (38.1 cm)
Auger speed - 170 RPM
Impeller speed - 540 RPM
Impeller blades - 4
Impeller diameter - 24 in. (61.0 cm)
Tractor PTO speed - 540 RPM
Minimum tractor HP - 20 PTO HP
Maximum tractor HP - 50 PTO HP
Auger overload protection - Shearbolt
PTO overload protection - Shearbolt
Operating weight - 531 lb. (240.9 kg)
Shipping weight - 533 lb. (241.8 kg)

John Deere 4320 Blade

60" Rear Blade Specifications

Model - Frontier RB5060
Type - Rear Mount
Compatibility - JD 4320
Width in working position, ft.(m) - 5 (1.52)
Moldboard length, in.(cm) - 60 (152.4)
Moldboard height, in. (cm) - 14.5 (36.83)
Moldboard thickness, in. (cm) - 0.250 (0.635)
Weight Machine, lb (kg) - 308 (139.71)
PTO hp - 20-60 Max
Pivot angle degrees - 360
Angle forward, number of positions - 5 Positions
Angle reverse, number of positions - 5 Positions
Tilt positions/degrees - 7 degrees either direction
Offset position left or right, in. (cm) - 12 (30.48)
Hitch Type - Cat. 1
Quick-Hitch Compatibility - Yes
Reversible cutting edge, thickness, in. (cm) - 0.375 (0.9525)
Reversible cutting edge, height, in. (cm) - 6 (15.24)

John Deere 4320 Mower and Rotary Cutter

360 Flail Mower Specifications

Model - 360 Flail Mower
Compatibility - JD 4320
Cutting Width - 4 ft. 10 in. (1.5 m)
Cutting Height - 0.5 to 5 in. (13 to 127 mm)
Hood Thickness - 0.188 in. (4.8 mm)
Blades Number - 54
Blades Type - Heat-treated, reversible, side-slicer knives mounted in pairs
Blades Tip Speed - 95 mph (153 km/h)
Rotor Speed - 1,850 rpm
Rotor Diameter - 4.5 in. (114 mm)
PTO Drive - 540 rpm
Gearcase (Continuous Rating) - 65 hp (34 kW)
Belts - Heavy-duty HC section
Gauge Roller - 5.5-in. (140 mm) dia.
Tractor hp Required (Minimum) - 30 hp (22 kW)
Tractor hp Required (Maximum) - 75 hp (56 kW)
3-Point Hitch - Category 1 or 2
Overall Width - 5 ft. 9 in. (1.76 m)
Overall Height - 3 ft. 3 in. (0.99 m)
Overall Length - 3 ft. 4 in. (1.00 m)
Weight - 794 lb. (360 kg)

MX5 Rotary Cutter Specifications

Model - MX5 Rotary Cutter
Compatibility - JD 4320
Cutting Width - 60 in. (1520 mm)
Cutting Height - 1 to 9.5 in. (25 to 241 mm)
Overall Width - 64 in. (1624 mm)
Lift-Type Overall Length - 8.5 in. (216 mm)
Deck Shape - Domed
Deck Type - Double
Upper Deck Thickness - 1/8 in. (3 mm) (11 gauge)
Lower Deck Thickness - 1/8 in. (3 mm) (11 gauge)
Total Thickness - 1/4 in. (6 mm)
Skirt Thickness - 1/4 in. (6 mm)
Driveline Size - Cat. 3
Driveline Protection (Tractor to Center Gearcase) - Self-adjusting clutch
Center (Continuous) Power Rating - 90 hp (68 kW)
Blade Holder, Diameter (Blade Holes) - Round pan, 18.1 in. (460 mm)
Blades - Suction (1/2 x3 in.)
Blade Tip Speed 540 RPM PTO - 14,347 ft/min (72.9 m/s)
Brush Cutting Capacity - 2 in. (50 mm)
Lift-Type Hitch Category - 1 to 2 convertible coupler, iMatch compatible
Minimum Tractor PTO Power (Lift-Type) - 25 hp (19 kW)
Weight (Cutter Less Discharge Shields and Attachments) Lift-Type - 728 lb. (330 kg)
Front Rubber Discharge Shield Weight - 10 lb. (5 kg)
Front Chain Discharge Shield Weight - 40 lb. (18 kg)
Rear Chain Discharge Shield Weight - 55 lb. (25 kg)
Tires - Puncture-proof Laminated (Width x OD) 3.5x15.25 in. (89x387 mm)
Wheel bearing - Bushings

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