High blade speeds for a high quality cut – Buhler Y450 User Manual
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high blade SpeedS For a high qualitY cut
Model (diScharge)
Y450 (Side & rear)
Y550 (Side & rear)
Y650 (Side & rear)
Y750 (rear)
Cutting width
48"
60"
72"
84"
Cutting height
1 ½" to 4 ½"
1 ½" to 4 ½"
1 ½" to 4 ½"
1 ½" to 4 ½"
Blade tip speed
15,485 ft/min
15,829 ft/min
18,737 ft/min
18,552 ft/min
Blades
3
3
3
3
Blade material
¼" x 2 ½" alloy hardened
¼" x 2 ½" alloy hardened
¼" x 2 ½" alloy hardened
¼" x 3" alloy hardened
Blade length
17 3/4"
21 3/4"
25 3/4"
29 3/4"
Blade overlap
1 5/8"
2 5/8"
2 5/8"
2 5/8"
Blade drive
2 belt B groove
2 belt B groove
2 belt B groove
2 belt B groove
Deck material
10 gauge
7 gauge
7 gauge
7 gauge
Gearbox
Closed (540 RPM)
Closed (540 RPM)
Closed (540 RPM)
Closed (540 RPM)
Gearbox ratio
1 : 1.93
1 : 1.93
1 : 1.93
1 : 1.93
Tractor hp requirement
12 - 25
15 - 30
20 - 40
25 - 45
3-point hitch*
Cat. I
Cat. I
Cat. I
Cat. I
Tires
4.10 / 3.50 - 4
4.10 / 3.50 - 4
4.10 / 3.50 - 4
13 x 5.0 x 6
Spindles
Cast w/bearing
Cast w/bearing
Cast w/bearing
Cast w/bearing
Front roller
3" x 4"
3" x 4"
4" x 5 3/8"
4" x 5 3/8"
UHMW poly roller (optional)
4" x 7"
4" x 7"
4" x 7"
4" x 7"
Weight (lbs)
Y450S 420
Y450R 440
Y550S 525
Y550R 552
Y650S 580
Y650R 618
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