________________________________________________________________________________

John Deere 643R Front End Loader Specs

John Deere 643R Non Self-Leveling Loader

Compatible Tractor Models

Tractor Model 6145R .......... JD 6145R
Wheelbase .......... 2765 mm (9 ft. 3/4 in.)
Front Tires .......... 480/70R28
Rear Tires .......... 580/70R38
Hydraulic System Rated Flow .......... 114 L/min. (30 gpm)
Maximum Pressure .......... 20100 kPa (200 bar) (2900 psi)

John Deere 643R NSL Loader

Loader Model .......... JD 643R NSL
Leveling Configuration .......... Non Self-Leveling
Maximum Loader Weight Including Mounting Frame .......... 1150 kg (2535 lb.)
Mass .......... 1100 kg (2425 lb.)

Heavy-Duty Material Bucket

Width .......... 2150 mm (7 ft. 5/8 in.)
Mass .......... 310 kg (683 lb.)

Cycle Times (in seconds)

Loader Raise Time .......... 3,7
Loader Lower Time .......... 2,78
Bucket Dump Time .......... 2,65
Bucket Roll-Back Time .......... 1,81

John Deere 643R Loader Dimensions

Lift Height (Maximum) To Pivot Pin .......... 4300 mm (169 in.)
Clearance, Bucket Level .......... 4030 mm (159 in.)
Clearance, Bucket Dumped .......... 3281 mm (129 in.)
Digging Depth .......... 145 mm (6 in.)

Reach

At Maximum Lift Height with Bucket Dumped .......... 841 mm (33 in.)
Bucket on Ground with Bucket Leveled .......... 2738 mm (108 in.)

Angles (Maximum)

Dump .......... 56°
Dump at Ground .......... 144°
Roll back .......... 53°

Lift Capacity

To Maximum Height at Pivot Point .......... 2591 kg (5712 lb.)
To Maximum Height at 800 mm (2 ft. 7 in.) Ahead of Pivot Point .......... 1817 kg (4005 lb.)
To 1500 mm (4 ft. 11 in.) at Pivot Point .......... 2788 kg (6146 lb.)

Breakout Force

At Pivot Point .......... 2945 kgf (6492 lbf)
At 800 mm (2 ft. 7 in.) Ahead of Pivot Point .......... 2188 kgf (4824 lbf)

John Deere 643R Mechanical Self-Leveling Loader

Compatible Tractor Models

Tractor Model 6145R .......... JD 6145R
Wheelbase .......... 2765 mm (9 ft. 3/4 in.)
Front Tires .......... 480/70R28
Rear Tires .......... 580/70R38
Hydraulic System Rated Flow .......... 114 L/min. (30 gpm)
Maximum Pressure .......... 20100 kPa (200 bar) (2900 psi)

John Deere 643R MSL Loader

Loader Model .......... JD 643R MSL
Leveling Configuration .......... Mechanical Self-Leveling
Mass .......... 1200 kg (2645 lb.)

Heavy-Duty Material Bucket

Width .......... 2150 mm (7 ft. 5/8 in.)
Mass .......... 310 kg (683 lb.)

Cycle Times (in seconds)

Loader Raise Time .......... 3,52
Loader Lower Time .......... 2,64
Bucket Dump Time .......... 1,81
Bucket Roll-Back Time .......... 1,81

John Deere 643R Loader Dimensions

Lift Height (Maximum) To Pivot Pin .......... 4300 mm (169 in.)
Clearance, Bucket Level .......... 4030 mm (159 in.)
Clearance, Bucket Dumped .......... 3260 mm (128 in.)
Digging Depth .......... 145 mm (6 in.)

Reach

At Maximum Lift Height with Bucket Dumped .......... 841 mm (33 in.)
Bucket on Ground with Bucket Leveled .......... 2738 mm (108 in.)

Angles (Maximum)

Dump .......... 60°
Dump at Ground .......... 117°
Roll back .......... 52°

Lift Capacity

To Maximum Height at Pivot Point .......... 2241 kg (4940 lb.)
To Maximum Height at 800 mm (2 ft. 7 in.) Ahead of Pivot Point .......... 2279 kg (5024 lb.)
To 1500 mm (4 ft. 11 in.) at Pivot Point .......... 2666 kg (5877 lb.)

Breakout Force

JOHN DEERE TRACTORS ATTACHMENTS
1023E	2025R	2210	2520	3032E
3046R	3520	4066R	4105	4200
4320	4400	4520	4600	4720
430	420	455	X300	X350
X485	X500	X590	X700	X738

JOHN DEERE TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R