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Specifications


Engine

Manufacturer Yanmar

Model Number (3320) 3TNV88

Model Number (3520) 3TNV84T

Model Number (3720) 3TNV84HT

Type Diesel

Gross Horsepower (3320) 24.2 kW (32.4 hp)

Gross Horsepower (3520) 27.7 kW (37.2 hp)

Gross Horsepower (3720) 32.6 kW (43.7 hp)

Manufacturer’s Estimated PTO Horsepower (3320 PRT) 19.0 kW (25.5 hp)

Manufacturer’s Estimated PTO Horsepower (3320 eHydro) 18.6 kW (25 hp)

Manufacturer’s Estimated PTO Horsepower (3520 PRT) 22.7 kW (30.5 hp)

Manufacturer’s Estimated PTO Horsepower (3520 eHydro) 22.4 kW (30 hp)

Manufacturer’s Estimated PTO Horsepower (3720 eHydro) 26.1 kW (35 hp)

Low Idle Speed 950 rpm

Rated Engine Speed 2600 rpm

High Idle Speed 2775 rpm

Operating Range 1000 - 2810 rpm

Engine Torque @ Rated Speed (3320) 83.5 N•m (61.6 lb-ft)

Maximum Torque @ 1560 rpm (3320) 100.2 N•m (73.9 lb-ft)

Engine Torque @ Rated Speed (3520) 96.4 N•m (71.1 lb-ft)

Maximum Torque @ 1560 rpm (3520) 115.8 N•m (85.4 lb-ft)

Engine Torque @ Rated Speed (3720) 114.3 N•m (84.3 lb-ft)

Maximum Torque @ 1560 rpm (3720) 137.1 N•m (101.1 lb-ft)

Displacement (3120, 3520, and 3720) 1.5 L (91.5 cu in.)

Displacement (3320) 1.64 L (100.1 cu in.)

Cylinders 3

Bore and Stroke (3520 and 3720) 84 x 90 mm (3.3 x 3.54 in.)

Bore and Stroke (3320) 88 x 90 mm (3.46 x 3.54 in.)

Compression Ratio 19:1

Lubrication Pressurized

Cooling System Water Pump

Oil Filter Single Element

Air Cleaner Dry Type with Safety Element

Starting Aid Air Heater

Electrical System

Type 12 Volt

Battery Size 500 Cold Cranking Amps at -18?C (0?F)

Alternator 40 Amp

Starter Size 1.4 kW (1.9 hp)

Fuel System

Fuel Filter Replaceable Element

Fuel Diesel

Fuel Pump In-Line with Electric Shutoff

Fuel Delivery Direct Injection, Self Bleeding

Drive Train

Transmission (3320 & 3520 PowrReverser Transmission) 12x12 PowrReverser (4WD Only)

Transmission (3320, 3520 & 3720 eHydro Transmission) eHydro (4WD Only)

Number Of Speeds (3320 & 3520 PowrReverser Transmission) 12 Forward, 12 Reverse

Number Of Speeds (3320, 3520 & 3720 eHydro Transmission) Infinite Forward, Infinite Reverse

Mechanical Front Wheel Drive Standard All Models

Capability for MFWD All Ranges

Rear Final Drive Type Spur Gear

Differential Lock Mechanical

Brakes Type Wet Disk

Steering Power, Hydrostatic

Main Clutch Disk Type ( 3320 & 3520 PowrReverser Transmission) Multiple Stage Wet

Main Clutch Disk Diameter (PowrReverser Transmissions) 11.3 cm (4.4 in.)

Front Axle Operating Capacity 720-1450 kg (1587-3197 lb)

Rear Axle Operating Capacity 1815 kg (4002 lb)

Drawbar Tongue Capacity 400 kg (882 lb)

Hydraulic System

Type of System Open Center

Power Steering Standard

Implement and Steering Pump Type Dual Tandem Gear Pump

Working Pressure 17237 kPa (2500 psi)

Pump Capacity (Main) @ Rated Speed 32.5 L/min (8.6 gpm)

Pump Capacity (Power Steering) @ Rated Speed 20 L/min (5.3 gpm)

Total Flow of Pumps @ Rated Speed 52.5 L/min (13.9 gpm)

3 Point Hitch

Type Category 1

Lift Capacity (24-in. behind link arms) 999 kg (2200 lb)

Dimension - Lower Link Ball Socket ID 22 mm (7/8 in.)

Dimension - Upper Link Pin Hole ID 19 mm (3/4 in.)

Dimension - Normal Width @ Lower Hitch Pins 68.6 cm (27 in.)

Dimension - Normal Height From Center Pin to Hitch Pin 45.7 cm (18 in.)

Drawbar Load

Maximum Static Vertical Load 255 kg (562 lbs)

PTO

Type Independent

Clutch Type Wet Disk

Brake Type Wet Disk

Speed (Mid PTO rpm @ Rated Engine Speed) 2100 rpm

Speed (Rear PTO rpm @ Rated Engine Speed) 540 rpm

Fluid Capacities

Fuel Tank (tractor without cab) 51.1 L (13.5 gal)

Fuel Tank (tractor with cab) 44 L (11.8 gal)

Cooling System (tractor without cab) 5.3 L (1.4 gal.)

Cooling System (tractor with cab) 7.0 L (1.8 gal.)

Crankcase w/ Filter 4.3 L (4.6 qt.)

Transmission and Hydraulic System (PowrReverser Models) 23.8 L (6.3 gal.)

Transmission and Hydraulic System (eHydro Models) 25.7 L (6.8 gal.)

Front Axle 4.5 L (1.2 gal.)

Windshield Washer Fluid Reservoir 2.8 L (0.7 gal.)

Refrigerant (R134a) 1.3 kg (2.8 lb)

Ground Speeds (Forward and Reverse @ 2600 Engine RPM)

3320 and 3520 PowrReverser Transmission with 11.2-24 6PR R1 Rear Tires

Range A - Gear 1 1.3 km/h (0.83 mph)

Range A - Gear 2 1.8 km/h (1.1 mph)

Range A - Gear 3 2.3 km/h (1.4 mph)

Range A - Gear 4 3 km/h (1.9 mph)

Range B - Gear 1 3.9 km/h (2.4 mph)

Range B - Gear 2 5.1 km/h (3.2 mph)

Range B - Gear 3 6.6 km/h (4.1 mph)

Range B - Gear 4 8.8 km/h (5.5 mph)

Range C - Gear 1 11.6 km/h (7.2 mph)

Range C - Gear 2 15.3 km/h (9.5 mph)

Range C - Gear 3 19.6 km/h (12 mph)

Range A - Gear 4 26.4 km/h (16.4 mph)

3320, 3520 and 3720 eHydro Transmission with 11.2-24 6PR R1 Rear Tires

Range A 6.8 km/h (4.2 mph)

Range B 13.4 km/h (8.3 mph)

Range C 30.6 km/h (19 mph)

3320, 3520 and 3720 eHydro Transmission with 41x14.00-20 4PR R3 Rear Tires

Range A 6.4 km/h (4 mph)

Range B 12.6 km/h (7.8 mph)

Range C 28.9 km/h (18 mph)

3320, 3520 and 3720 eHydro Transmission with 43x16.00-20 4PR R4 Rear Tires

Range A 6.5 km/h (4 mph)

Range B 12.8 km/h (8 mph)

Range C 29.3 km/h (18.2 mph)

3320, 3520 and 3720 eHydro Transmission with 15.00-19.5 6PR R4 Rear Tires

Range A 6.2 km/h (3.8 mph)

Range B 12.1 km/h (7.5 mph)

Range C 27.8 km/h (17.3 mph)

3320, 3520 and 3720 eHydro Transmission with 41LLx18-16.1 6PR Golf Rear Tires

Range A 6.2 km/h (3.8 mph)

Range B 12.2 km/h (7.6 mph)

Range C 28 km/h (17.4 mph)

Front Tires

Available All Models

7.00-14 6PR R1 GA

27x8.50-15 6PR R3 GA

27x8.50-15 6PR R4 GA

25x8.50-14 6PR R4 GA

25/10.50LL-15 6PR GOLF GA

Front Tire Inflation Pressures

NOTE: Minimum / Maximum pressures given. Minimum pressure is for unloaded, unballasted tractor.

7.00-14 6PR R1 GA 83 kPa/250 kPa (12 psi/36 psi)

27x8.50-15 6PR R3 GA 110 kPa/310 kPa (16 psi/45 psi)

27x8.50-15 6PR R4 GA 83 kPa/310 kPa (12 psi/45 psi)

25x8.50-14 6PR R4 GA 83 kPa/340 kPa (12 psi/49 psi)

25/10.50LL-15 6PR GOLF GA 69 kPa/69 kPa (10 psi/10 psi)

Rear Tires

Available All Models

11.2-24 6PR R1 GA

41x14.00-20 4PR R3 GA

43x16.00-20 4PR R4 GA

15.00-19.5 6PR R4 GA

41LLx18-16.1 6PR Golf GA

Rear Tire Inflation Pressures

NOTE: Minimum / Maximum pressures given. Minimum pressure is for unloaded, unballasted tractor.

11.2-24 6PR R1 GA 83 kPa/180 kPa (12 psi/26 psi)

41x14.00-20 4PR R3 GA 69 kPa/170 kPa (10 psi/25 psi)

43x16.00-20 4PR R4 GA 83 kPa/140 kPa (12 psi/20 psi)

15.00-19.5 6PR R4 GA 138 kPa/210 kPa (20 psi/31 psi)

41LLx18-16.1 6PR Golf GA 42 kPa/42 kPa (6 psi/6 psi)

Tire Loads

NOTE: Maximum load capacity for single tire.

Front (7.00-14 6PR R1 GA) 430 kg (948 lb)

Front (27x8.50-15 6PR R3 GA) 750 kg (1654 lb)

Front (27x8.50-15 6PR R4 GA) 750 kg (1654 lb)

Front (25x8.50-14 6PR R4 GA) 620 kg (1367 lb)

Front (25/10.50LL-15 6PR GOLF GA) 700 kg (1543 lb)

Rear (11.2-24 6PR R1 GA) 990 kg (2183 lb)

Rear (41x14.00-20 4PR R3 GA) 1490 kg (3285 lb)

Rear (43x16.00-20 4PR R4 GA) 1420 kg (3131 lb)

Rear (15.00-19.5 6PR R4 GA) 1790 kg (3946 lb)

Rear (41LLx18-16.1 6PR Golf GA) 1990 kg (4387 lb)

Dimensions

NOTE: Height and width dimensions can vary due to dimensional growth of tires.

Wheelbase 1.7 m (68 in.)

Overall Length w/ 3-Point Hitch 3.1 m (120.2 in.)

Overall Width w/ R1 Tires (Minimum) 1.3 m (52.4 in.)

Overall Width w/ R1 Tires (Maximum) 1.7 m (68.4 in.)

Overall Width w/ R3 Tires (Minimum) 1.4 m (53.9 in.)

Overall Width w/ R3 Tires (Maximum) 1.5 m (59.1 in.)

Overall Width w/ 43 x 16.00-20 R4 Tires (Minimum) 1.5 m (58.1 in.)

Overall Width w/ 43 x 16.00-20 R4 Tires (Maximum) 1.5 m (59.7 in.)

Overall Width w/ 15.00-19.5 R4 Tires (Minimum) 1.4 m (57.3 in.)

Overall Width w/ 15.00-19.5 R4 Tires (Maximum) 1.5 m (58.9 in.)

Overall Width w/ Golf Tires (Minimum) 1.5 m (59.5 in.)

Overall Width w/ Golf Tires (Maximum) 1.6 m (64.7 in.)

Inside Width w/ R1 Tires (Minimum) 1.03 m (40.6 in.)

Inside Width w/ R1 Tires (Maximum) 1.4 m (56.6 in.)

Inside Width w/ R3 Tires (Minimum) 1.02 m (40.4 in.)

Inside Width w/ R3 Tires (Maximum) 1.2 m (45.6 in.)

Inside Width w/ 43 x 16.00-20 R4 Tires (Minimum) 1.1 m (42 in.)

Inside Width w/ 43 x 16.00-20 R4 Tires (Maximum) 1.1 m (43.7 in.)

Inside Width w/ Golf Tires (Minimum) 1.02 m (40.3 in.)

Inside Width w/ Golf Tires (Maximum) 1.2 m (45.5 in.)

Inside Width w/ 15.00-19.5 R4 Tires (Minimum) 1.1 m (42 in.)

Inside Width w/ 15.00-19.5 R4 Tires (Maximum) 1.2 m (43.7 in.)

Height From Ground (Tractor without cab, with standard R1 tires)

To Top of Hood 1.4 m (57 in.)

To Top of Folding ROPS 2.4 m (93.3 in.)

Height From Ground (Tractor with Cab, R3 tires)

To Top of Cab 2.3 m (89.4 in.)

Weight

All Models (without cab) 1316 kg (2900 lb)

All Models (with cab) 1619 kg (3570 lb)

Recommended Lubricants

Engine Oil John Deere Plus-50 or TORQ-GARD SUPREME (See SERVICE ENGINE for more information.)

Grease John Deere Multi-Purpose SD Polyurea Grease

John Deere Multi-Purpose HD Lithium Complex Grease

Transmission Oil Low Viscosity HY-GARD (JDM J20D)

Front Axle Oil Low Viscosity HY-GARD (JDM J20D)

Compressor Oil PAG Oil - J.D.

(Specifications and design subject to change without notice.)

Torque Values

Metric Hardware

Torque Values (Dry)

Torque Values (Lubricated)

Size

Class 7

Class 8.8

Class 10.9

Size

Class 7

Class 8.8

Class 10.9

N•m

lb-ft

N•m

lb-ft

N•m

lb-ft

N•m

lb-ft

N•m

lb-ft

N•m

lb-ft

M6

11

8.1

17

12.5

M6

9

6.6

13

9.6

M8

29

21

35

26

41

30

M8

23

17

25

18.5

29

21.4

M10

59

44

67

49

80

59

M10

44

33

51

38

61

45

M12

98

72

113

83

132

97

M12

78

58

83

61

103

76

M14

147

108

167

123

201

148

M14

118

87

127

94

152

112

M16

206

152

M16

167

123

• Use 80% of the value when tightening part is aluminum.

• Use 60% of the value for 4T bolts and lock nuts.

• Use 80% of the value when tightening part is aluminum.

• Use 60% of the value for 4T bolts and lock nuts.


Inch Fastener Hardware

Torque Values (Dry)

Torque Values (Lubricated)

Size

Grade 21

Grade 5

Grade 8

Size

Grade 22

Grade 5

Grade 8

N•m

lb-ft

N•m

lb-ft

N•m

lb-ft

N•m

lb-ft

N•m

lb-ft

N•m

lb-ft

1/4

7.4

5.5

12

9

17

12.5

1/4

6.1

4.5

9.5

7

13.6

10

5/16

15

11

24

18

35

26

5/16

12.2

9

20

15

28

21

3/8

27

20

45

33

62

46

3/8

22

16

35

26

49

36

7/16

43

32

70

52

102

75

7/16

35

26

56

41

79

58

1/2

68

50

108

80

156

115

1/2

53

39

85

63

122

90

9/16

95

70

156

115

217

160

9/16

76

56

122

90

176

130

5/8

136

100

217

160

305

225

5/8

106

78

170

125

217

160

3/4

238

175

3/4

190

140

• Use 80% of the value when tightening part is aluminum.

• Use 60% of the value for 4T bolts and lock nuts.

• Use 80% of the value when tightening part is aluminum.

• Use 60% of the value for 4T bolts and lock nuts.

1
“Grade 2” applies for hex cap screws (not hex bolts) up to 152mm (6 in.) long.

2
“Grade 2” applies for hex cap screws (not hex bolts) up to 152mm (6 in.) long.