Observing Drawbar Load Limitations

IMPORTANT:

RXA0090815-UN-14SEP06

Drawbar

RXA0090722-UN-14SEP06

Heavy Duty Drawbar with Support

A - Drawbar

B - PTO Shaft

C - Dimension

D - Short Position

E - Long Position

F - Heavy Duty Support

IMPORTANT: Heavy duty drawbar support must be used when maximum static vertical load exceeds 2245 kg (4950 lb).

NOTE: Special cap screws are used on drawbars. See your John Deere dealer if cap screws must be replaced.

When vertical load exceeds 2245 kg (4950 lb), attach heavy duty support (F) on Category 4 drawbar and tighten special cap screws to torque specification.

Item	Measurement	Specification
Heavy Duty Drawbar Support
Support Cap Screws	Torque	430 N·m (318 lb-ft)

Drawbar Load Limits Based on Drawbar Position, Length and PTO Type
Tractor Model and Drawbar Category	PTO Shaft (B)	End of PTO Shaft to Draw Pin Hole Distance (C)	Drawbar Position			Maximum Vertical Drawbar Load
8285R, and 8310R with Cat 3 Drawbar	Standard 45 mm (1-3/4 in.) Diameter shaft w/20 splines 1000 rpm	508 mm (20 in.)	Front Hole (E) Long Position			1837 kg (4050 lb)
8285R, and 8310R with Cat 3 Drawbar	Optional 35 mm (1-3/8 in.) Diameter shaft w/6 splines 540 rpm	350 mm (14 in.)	Rear Hole (D) Short Position			2700 kg (6000 lb)
8285R, and 8310R with Cat 3 Drawbar	Optional 35 mm (1-3/8 in.) Diameter shaft w/21 splines 1000 rpm	400 mm (16 in.)	Front Hole (E) Long Position			1837 kg (4050 lb)
8335R with Cat 4 Drawbar	Standard 45 mm (1-3/4 in.) Diameter shaft w/20 splines 1000 rpm	508 mm (20 in.)	Single Hole Drawbar			2245 kg (4950 lb)
8335R with Cat 4 Drawbar	Optional 35 mm (1-3/8 in.) Diameter shaft w/6 splines 540 rpm	N/A	N/A			N/A
8335R with Cat 4 Drawbar	Optional 35 mm (1-3/8 in.) Diameter shaft w/21 splines 1000 rpm	400 mm (16 in.)	Single Hole Drawbar			2245 kg (4950 lb)
8285R, 8310R, and 8335R and with Cat 4 Drawbar and Heavy Duty Drawbar Support	Standard 45 mm (1-3/4 in.) Diameter shaft w/20 splines 1000 rpm	508 mm (20 in.)	Single Hole Drawbar			4990 kg (11,000 lb)
8285R, 8310R, and 8335R with Cat 4 Drawbar and Heavy Duty Drawbar Support	Optional 35 mm (1-3/8 in.) Diameter shaft w/6 splines 540 rpm	Not Recommended
8260R, 8285R, 8310R, 8335R and with Cat 4 Drawbar and Heavy Duty Drawbar Support	Optional 35 mm (1-3/8 in.) Diameter shaft w/21 splines 1000 rpm	400 mm (16 in.)	Single Hole Drawbar			4990 kg (11,000 lb)
Category 3 drawbar uses a 38 mm (1.5 in.) draw pin. Category 4 uses a 51 mm (2.0 in.) draw pin.