683 Series: U-683 / U-683 DT / U-683 DT SD

Versions of U-683:

D 2404 053 ENGINE

4 stroke diesel, direction injection, 4 cylinders, water cooled, 50W (68 hp) at 2400 rpm.

Bore: 102mm. Stroke: 115mm. Cylinder capacity: 3759 cu.cm

Max. engine torque: 229 nM at 1400 rpm. Compression ratio: 17:1.

Oil-bath cleaner with cyclonic pre-cleaner, distributor-type injection pump, CAV license (conforms to EPA standards).

 

TRANSMISSION

CLUTCH: friction-type with 11” disc, dry plates, dual (for gearbox and power take-off), hand lever and pedal controlled.

GEARBOX: constant-mesh, synchronized, 4+1 speeds and planetary reduction unit providing 12+3 speeds.

 

TRAVEL SPEEDS: in km/h, at 2400 engine rpm, 16.9-30 tires and 14/47 bevel couple:

Gear

High

Low

Creeping

1st

10.68

2.96

0.96

2nd

16.07

4.46

1.45

3rd

23.53

6.54

2.12

4th

30.39

8.44

2.73

Reverse

15.35

4.26

1.38

 

DIFFERENTIAL LOCK: pedal-actuated and automatic return to “OFF” position.

 

STEERING: hydrostatic with transversal ram.

 

BRAKES

SERVICE BRAKES: oil-immersed brakes, separately or simultaneously pedal activated.

PARKING BRAKE: independent, disc-type, hand lever controlled.

 

FRONT AXLES:

683 - pivoted, telescopic-type, U-section welded construction.

683 DT/640 DT SD – swinging-type drive, with central placed drive unit, differential, reduction gears in wheel hubs.

 

Wheel Dimensions

Model

Front Weels

Rear Wheels

Front Track

Rear Track

U-683

7.5 x 20

16.9 x 30

Adjustable in 100mm increments within 1400-2000mm

Adjustable in 100mm increments within 1410-1910mm

U-683 DT

U-683 DT SD

11.2 x 24

16.9 x 30

Adjustable in 100mm increments within 1380-1580mm

Adjustable in 100mm increments within 1510-2300mm

 

MINIMUM TURNING RADIUS: 683 – 3.9m

                                                       683 DT / 683 DT SD – 4.7m

 

ELECTRIC EQUIPMENT

VOLTAGE: 12V, 2kW starter, 600W alternator, 150 Ah battery.

Complete electrical equipment for lighting and signaling.

INSTRUMENT PANEL: electronic speed counter, electric hourmeter, warning lights for: full beam operation, flasher operation, fuel level, applied hand brake, water temperature and fuel gauge.

 

POWER TAKE-OFF

INDEPENDENT: 540/1000 rpm.

SYNCHRONOUS: 2.87 revs. per meter of forward travel or 4.74 revs. per meter of forward travel with 16.9 x 30 tires and 14/47 bevel couple.

 

HYDRAULIC SYSTEM

MONOBLOCK-TYPE HYDRAULIC UNIT with automatic draft or position control with 2 additional rams.

HYDRAULIC PUMP: gear-type flow, 14.7 GPM at 2400 engine rpm.

OPERATING PRESSURE: 175 bar.

Double remote control valve for working equipment.

 

THREE-POINT HITCH

2nd category with adjustable lifting rods.

Max lifting capacity : 2100 daN/4630 lbs

 

SEAT: adjustable according to drivers’ height and reach.

FUEL TANK:  62 litres.

TRACTOR WEIGHT: ready for operation: 2790kg.

ROPS: with seatbelt.

 

OPTIONAL EQUIPMENT