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Branson 6640C Specifications

Branson 6640C Engine

Engine Model .................. Kukje D3400NA
Engine Type .................. Vertical four-cycle four-cylinder liquid-cooled diesel
Number of Cylinders .................. 4
Displacement, cu in (L) .................. 208 (3.409)
Engine Bore, in (mm) .................. 3.86 (98.0)
Engine Stroke, in (mm) .................. 4.45 (113.0)
Maximum Power, Rated, hp (kW) .................. 66.0 (49.0)
Rated Engine Speed, rpm .................. 2600
Aspiration .................. Naturally aspirated
Compression Ratio .................. 19.5:1
Fuel System .................. Direct injection
Fuel Pump Type .................. Rotary-distributor
Fuel System Control .................. Mechanical
Air Cleaner .................. Dry dual element
Emission Level .................. Tier 3
Fuel Tank capacity, gal (L) .................. 24.0 (91.0)
Oil Capacity, qts (L) .................. 8.0 (7.6)
Coolant Capacity, qts (L) .................. 8.7 (8.2)
Electrical System Rating, Volts .................. 12
Charging System .................. Alternator
Alternator Rating, Amps .................. 70

Power Take-Off

PTO Operational Type .................. Independent
PTO Horsepower, hp (kW) .................. 57.0 (42.5)
PTO Clutch .................. Hydraulic
PTO Speed, rpm .................. 540/670/1000

Branson 6640C Transmission

Transmission Type .................. Synchro shuttle
Gearbox Type .................. 24F/24R, Fully synchronized
Number of Forward Gears .................. 24
Number of Reverse Gears .................. 24
Clutch Type .................. Dry disc
Maximum Forward Speed, mph (kph) .................. 16.2 (25.9)
Maximum Reverse Speed, mph (kph) .................. 15.0 (24.0)

Wheels and Tires

Drive Wheels .................. 4WD 4x4
Steering Configuration .................. Front steer
Steering System .................. Hydrostatic power
Brakes Type .................. Wet disc
Front Tire Size (AG) .................. 12.5/80x18
Rear Tire Size (AG) .................. 16.9x28
Front Tire Size (Turf) .................. 31x15.50-15
Rear Tire Size (Turf) .................. LSW570x648
Front Tread, in (mm) .................. 70-74.3 (1770-1880)
Rear Tread, in (mm) .................. 70-74.5 (1770-1885)

Hydraulic System

Hydraulic System Type .................. Open Center
Implement Pump Type .................. Gear
Implement Pump Flow, gpm (Lpm) .................. 11.1 (41.7)
Steering Pump Flow, gpm (Lpm) .................. 6.9 (26.2)
Number of Standard Remote Valves .................. 2
3-Point Hitch Category .................. Category 2
Draft Sensing or Lift Control .................. Position Control
Rear Lift Capacity at Lift Pin, lb (kg) .................. 4800 (2170)

Dimensions and Weight

Wheelbase, in (mm) .................. 80.3 (2040)
Overall Length, in (mm) .................. 137.5 (3490)
Height (Cab), in (mm) .................. 100.6 (2555)
Overall Width, in (mm) .................. 73 (1850)
Ground Clearance .................. 15 (380)
Weight, lbs (kg) .................. 6400 (2900)

Branson 6640C Attachments

Front End Loader

Loader Model .................. Branson BL40
Maximum Lift Height (at Pin), in (mm) .................. 114.2 (2900)
Clearance with Bucket Dumped, in (mm) .................. 81.6 (2070)
Reach at Max Height, in (mm) .................. 21.7 (550)
Dump Angle, deg .................. 68
Reach with Bucket on Ground, in (mm) .................. 75.7 (1920)
Rollback Angle, deg .................. 32
Lift Capacity to Max Height (at Pin), lb (kg) .................. 3200 (1450)
Breakout Force (at Pin), lb (kg) .................. 4650 (2110)
Bucket Width, in (mm) .................. 72 (1830)

Backhoe

Backhoe Model .................. Branson BH9620
Digging Depth (Maximum), in (mm) .................. 121 (3070)
Digging Depth (2-ft Flat), in (mm) .................. 115 (2920)
Reach from Swing Pivot, in (mm) .................. 149 (3780)
Loading Height, in (mm) .................. 92 (2330)
Swing Arc, degrees .................. 180
Bucket Rotation, degrees .................. 180
Bucket Digging Force, lb (kg) .................. 4575 (2075)
Dipperstick Digging Force, lb (kg) .................. 3175 (1440)
Backhoe Weight, lb (kg) .................. 1620 (735)