Scott Bonnar Model 45 Used Spare Parts
 
Please scoll down the page to view all available used parts for Scott Bonnar Model 45 cylinder mowers. All parts listed are in very good used condition, and have been thoroughly inspected and tested  prior to listing. To enquire about any of the parts listed below please contact us.

For new replacement Scott Bonnar 45 parts please visit the Rover Scott Bonnar 45 Parts page.






Used Operating Instructions Booklet
Original Rover Scott Bonnar Operating Instructions booklet. Six pages including information on preperation, height of cut, starting and operating, cutter & clutch cable adjustments, lubrication and safety. Thirteen photos/illustrations. Overall condition 7/10.


NO LONGER AVAILABLE SB45MANUAL

















Used Name Plate / Serial Badge
Mower number 4536643. Model 450407


NO LONGER AVAILABLE SB4569



















Used Pulley and PTO Shaft Extension
For use with Scott Bonnar 45 edger attachment. Screws onto PTO shaft through hole in top of chain case (on selected models). Includes nut


NO LONGER AVAILABLE SB4549 
















Used Shear Blade / Bottom Blade Holder ONLY
Suits 14" Model 45 mowers only. All threads and holes in very good condition. New replacement bottom blades and sharpening available - please contact us for a quote.
1 in stock

Product
SB4579
Bottom Blade Carrier 14 inch
Price/Unit
70.00 AUD
Qty








Used Shear Blade / Bottom Blade Holder ONLY
Suits 20" Model 45 mowers only. All threads and holes in very good condition. New heavy duty replacement bottom blades and sharpening available - please contact us for a quote. 


NO LONGER AVAILABLE SB4512










Used Shear Blade / Bottom Blade Holder ONLY
Suits 17" Model 45 mowers only. NO shear-blade fitted. All threads and holes in very good condition. New replacement bottom blades and sharpening available - please contact us for a quote.


NO LONGER AVAILABLE SB4538









Used Drive Clutch Hand Lever
Includes pin and clip.


NO LONGER AVAILABLE SB4514
 











Used Clutch Cable
Not stretched, still well within adjustment limits.
 

NO LONGER AVAILABLE SB4531



  










Used PTO Sprocket
3 in stock

Product
SB4518
PTO Sprocket
Price/Unit
15.00 AUD
Qty












Used PTO Bearing Holder
Includes 2 x nuts, bolts and washers, self aligning bearing and rubber bearing debris shield. 
2 in stock

Product
SB4520
PTO Bearing Holder
Price/Unit
15.00 AUD
Qty







Used PTO Shaft & Bearing Holder Assembly
Suits 14 inch cut models only. Shaft, keyways and thread in excellent condition. Includes bearing, bearing holder (including bolts, nuts & washers), rubber bearing seals, woodruff key, nylon thrust pad, sprocket, nut and washer.


NO LONGER AVAILABLE SB4575











Used PTO Shaft & Bearing Holder Assembly
Suits 17 inch cut models only. Shaft, keyways and thread in excellent condition. Includes self aligning bearing, bearing holder (including bolts, nuts & washers), rubber bearing seal, woodruff key, original brass thrust pad and fibre washer, 12 tooth sprocket, washer and nut.


NO LONGER AVAILABLE SB4527










Used Cutter Sprocket
Suits 14", 17", and 20" Model 45 mowers. NOT compatible with early 20" models that have an eight blade cutter cylinder and/or RMS5 size bearings. Bore and keyway in excellent condition.
 

NO LONGER AVAILABLE SB4516













Used Front Roller Height Adjustment Knob and Shaft
Includes spring, nut and washer.


NO LONGER AVAILABLE SB4513C















Used Front Roller Height Adjustment Knob and Shaft
Includes spring, washer, retaining clip and nut.
1 in stock

Product
SB4513
Height Knob & Shaft
Price/Unit
38.00 AUD
Qty











Used Front Roller Height Adjustment Rod
2 in stock

Product
SB4587
Height adjustment rod
Price/Unit
12.00 AUD
Qty









Used Front Roller Height Adjustment Knob Spring and Washer
1 pair in stock

Product
SB4593
Spring and washer
Price/Unit
6.00 AUD
Qty








Used Front Roller Height Adjustment Knob 
Brass type. Includes plastic cap


NO LONGER AVAILABLE SB4592














Used Front Roller Height Adjustment Knob
Aluminium type.
1 in stock

Product
SB4588
Height Adjustment Knob
Price/Unit
25.00 AUD
Qty











Used Clutch Cable Lower Bracket
Includes nuts and washers.


NO LONGER AVAILABLE SB454















Used Side Cover Mounting Bracket (rear)
Suits early model 14", 17" and 20" Model 45 mowers only. Includes nut and washer.


NO LONGER AVAILABLE SB4532















Used Cutter Chain Adjuster Bracket 
Suits early model three piece chassis 14", 17" and 20" Model 45 mowers only. Includes nut and washer and side cover mounting bracket.


NO LONGER AVAILABLE SB4563











Used Cutter Chain Adjuster
Suits early model three piece chassis 14", 17" and 20" Model 45 mowers only.
Includes nut and washer.


NO LONGER AVAILABLE SB4534 













Used Clutch Operating Lever Bracket and Spacersb453a
Includes 3 x screws and nuts and spring.


NO LONGER AVAILABLE SB453A

















Used Clutch Operating Lever Assembly

Suit early model three piece chassis 14", 17" and 20" Model 45 mowers only.


NO LONGER AVAILABLE SB453













Used Clutch Operating Lever
Suitable for all Model 45 (excluding late model Rover 45). Includes split pin & washer


NO LONGER AVAILABLE SB4553 












Used Clutch Fork Assembly
Includes spring and pivot pin.


NO LONGER AVAIALBLE SB4535














Used RH Cutter Bearing Holder Assembly
Includes front and rear bolts, adjuster screw, locknut, washers and nuts. For use with RLS5 size bearings only (not compatible with RMS5 bearings).


NO LONGER AVAILABLE SB4529














Used LH Cutter Bearing Holder Assembly (sprocket side)
Includes front and rear bolts, adjuster screw, locknut, washers and nuts. For use with RLS5 size bearings only (not compatible with RMS5 bearings).


NO LONGER AVAILABLE SB4530














Used Rear Roller Sprocket
4 in stock

Product
SB458
Rear Roller Sprocket
Price/Unit
10.00 AUD
Qty










 
Used Drive Clutch Assembly / Intermediate Sprocket
Assembly. Also includes new cork clutch liner (not fitted).
3 in stock 

Product
SB459
Drive Clutch Assembly
Price/Unit
45.00 AUD
Qty









Used Drive Clutch Actuating Lever / Arm
1 in stock

Product
SB4564
Drive Clutch Lever
Price/Unit
8.00 AUD
Qty








Used Clutch Outer Cone (option 1)
Cast Aluminium. Includes clutch liner (fitted).
1 in stock

Product
SB4510d
Clutch Outer Cone
Price/Unit
25.00 AUD
Qty













Used Clutch Outer Cone (option 2) 

Cast Aluminium type. Clutch liner fitted. Includes 3 x screws, nuts & washers. 


NO LONGER AVAILABLE SB4510
















Used Clutch Outer Cone (option 3)
Solid Cast Iron. Includes 3 x screws and nuts. 


NO LONGER AVAILABLE SB4562 
 














Used Clutch Inner Cone
Bore and keyway in excellent condition. 
1 in stock

Product
SB4521
Clutch Cone
Price/Unit
50.00 AUD
Qty











 

Used Cast Iron Clutch Housingsb4525a
Original cast iron clutch housing to suit 5/8" diametre engine shafts. Keyway and bore in excellent condition. Includes cotter pin & nut. No thrust bearing fitted, but new replacement bearings are available here. 


NO LONGER AVAILABLE SB4525 



 
 










Used Clutch Body Assembly
Cast Aluminium type. Suits 5/8" diametre crankshafts. Includes 2 x set screws. Thrust bearing not included. Keyway and bore in excellent condition.


NO LONGER AVAILABLE SB4573














Used Clutch Body Assembly 
 
Cast Aluminium type. Suits 5/8" crankshafts. Includes thrust bearing, cotter pin, nut and washer. Keyway and bore in excellent condition.


NO LONGER AVAILABLE SB4517














Used Front Roller Assembly
Suits 14" models only. Includes nylon end caps and 2 x 1/4" screws and washers for pivot bosses. Pivot bosses in very good condition and there is only slight amount of play between end caps and shaft.


NO LONGER AVAILABLE SB4596











Used Front Roller
Suits 17" cut models only. Includes Aluminium end caps (fitted) which have only a small amount of wear.


NO LONGER AVAILABLE SB4594 












Used Front Roller Tube ONLY
Suits 17" cut models only. Has surface rust but is in straight condition with no dents. For new replacement plastic end caps (Product CHD18332), please click here.
3 in stock

Product
SB4565
Front Roller Tube 17"
Price/Unit
15.00 AUD
Qty







Used Front Roller Frame (external thread type)
Suits 17 inch cut models only. Includes 2 x nyloc nuts and washers.
1 in stock

Product
SB4590
Front roller frame
Price/Unit
15.00 AUD
Qty







Used Front Roller Frame (internal thread type)
Suits 17 inch cut models only. Includes 1/4" UNF screws ans washers.
1 in stock

Product
SB4560
F. Roller Frame 17in
Price/Unit
15.00 AUD
Qty
 








Used Grass Deflector suit 17 inch cutsb4581d
Fair cosmetic condition. Structurally in very good straight condition with no cracks.


NO LONGER AVAILABLE SB4581d











Used Grass Deflector suit 14 inch cut
Not the original paintwork but structurally in very good, straight condition.


NO LONGER AVAILABLE SB4574



 
 







Used Grass Deflector Clamp


NO LONGER AVAILABLE SB4528
 
 
 
 
 
 
 
 
 
 







Used Grass Deflector Clamp
1 in stock

Product
SB4552
Grass deflector clamp
Price/Unit
9.00 AUD
Qty











Used Chain Cover / Side Cover
Suits Scott Bonnar 45's with top/bottom position screw holes. Will require preparation and refinishing / paint work if desired. Overall in good straight condition. Bottom edge in very good, solid condition. Includes plastic cap.


NO LONGER AVAILABLE SB4548
































Used Handle Bar Cover Plate (option 1)
May require paint work / refininishing if desired. Physically in good straight condition.


NO LONGER AVAILABLE SB4546h
































Used Handle Bar Cover Plate (option 2)
May require paint work / refinishing if desired, but physically in good straight condition.


NO LONGER AVAILABLE SB4546g



































Used Handle Bar Cover Plate (option 3)
May require paint work / refininishing if desired, but physically in good straight condition.


NO LONGER AVAILABLE SB4546


























Used Handle Bar Pivot Bolt
Includes 2 x nuts.
1 in stock

Product
SB4544
Handle Pivot Bolt
Price/Unit
8.00 AUD
Qty








Used Handle Bar Extension Plate (1 pair)
For displacing lower bar further aft to allow bars to be adjusted higher. Commonly used on early handle bar design when replacing Kirby engine with Briggs and Stratton engine.


NO LONGER AVAILABLE SB4550 












Used Lower Handle Bar Stub
Suits Model 45 'Lawn King' models which were fitted with parallel handle bars. Bar stub measures 498mm in length overall. Chrome finish is peeling so may require preparation and re-painting if desired, but structurally in very good condition.


NO LONGER AVAILABLE SB4566









Used Handle Bar Assembly
Suits 14" models only. All welds are in very good condition with no cracking detected. Bars have been painted silver in the past, so may require re-painting or refinishing if desired, but overall they are in good overall appearance. Special freight required - please contact us with your postcode for a quote.
NO LONGER AVAILABLE

Product SB4595
SB45 14" Handle Bar Assembly 
Price AUD $40.00

 




















Used Chrome Throttle Lever

Suits Scott Bonnar cylinder mowers with pull/spring return type throttle cables.
3 in stock 


Product
SBLEVER
Chrome Throttle Lever
Price/Unit
10.00 AUD
Qty




 
 



Used Rear Roller Counterweight
Mounts inside a rear roller segment. Includes 2 x self tapping screws.
1 in stock

Product
SB4576
Rear Roller Ctre .Weight
Price/Unit
30.00 AUD
Qty











Used Rear Roller Drive Platessb4576a
Includes centre drive pawl holder & set screw, 6 x drive pawls and 6 x 1/4" self tapping screws. Suitable for use on 7/8" diametre rear roller shafts. Brass bushes are in very good condition.

NO LONGER AVAILABLE SB4576a











Used Rear Roller Drive Pawl Holder
Includes set screw. Suits 7/8" diametre shaft.
2 in stock

Product
SB4571
Rear Roller Pawls Holder
Price/Unit
12.00 AUD
Qty
 











Used Rear Roller Bearing Carriers (left hand and right hand)
No bearings included, but bearings can be ordered in by Special Order. Please contact us to order.
1 pair in stock

Product
SB4561
R.Roller Bearing Hldrs
Price/Unit
15.00 AUD
Qty









Used Rear Roller Collar
Includes set screw & lock nut. Suits 7/8" diametre shafts.
2 in stock

Product
SB4551
Rear Roller Collar
Price/Unit
5.00 AUD
Qty







Used Rear Roller Assembly
Suits 14 inch cut models only. Very good condition. Includes bearings, bearing holders, sprocket, nut and washer. Has been dismantled, cleaned, inspected, greased and re-assembled. Special freight required - please contact us with your postcode for a quote.
1 in stock

Product SB4514RR
Rear Roller Assembly suit 14 inch
Price AUD $80.00









Used Rear Roller Assemblysb4533c
Suits 17 inch cut models only. Very good overall condition. Includes bearings, bearing holders and sprocket. Has been dismantled, cleaned, inspected, greased and re-assembled. Special freight required - please contact us with your postcode for a quote.
NO LONGER AVAILABLE

Product SB4533
Rear Roller Assembly suit 17 inch
Price AUD $55.00






Used Chassissb4517ch
Scott Bonnar 45 17 inch chassis. Some small cracks detected radiating from two engine mounting holes. All holes, slots, catcher hook pegs and support pegs are in good condition. May require sandblasting / refinishing if desired. Special freight required - please contact us with your postcode for a quote.
1 in stock



Product code SB4517CH
Chassis suit 17 inch SB45
Price AUD $20.00












Used Grass Catchersb45cat17a
Suits 17 inch models only. Catcher is in fair condition with some damage to front left and right folded edge's, and where catcher rests on the support blocks. Also four 6mm holes have been drilled through the bottom rear panel from the previous owners repairs. Overall though cacther is still in good solid condition.
NO LONGER AVAILABLE

Product SB45UCAT17A
Grass Catcher fits 17 inch Model 45
Price AUD $50.00 










sb45cay17aa


















Used Cutter Cylinder Assembly (six blade)
Suits 14 inch cut Model 45's only. All blades, welds, shafts, threads and keyways are in good condition. Has flaking paint and surface rust. Includes two RLS5-2RS bearings and original bearing shields (fitted). Will require sharpening to restore cutting edge. Sharpening is available - please contact us for a quote. Overall cylinder diameter 139.0mm. Individual blade height 22mm. Special freight required - please contact us with your postcode for an accurate postage quote. Local collection also available.
NO LONGER AVAILABLE



Product Code SB4514REEL
Cylinder Blade fits SB45 14 inch
Price AUD $125.00  








Used Cutter Cylinder Assembly (six blade)sb4517cyli
Suits 17 inch cut Model 45's only. All blades, welds, shafts, threads and keyways are in good condition. Has flaking paint and surface rust. Includes two original bearings and original bearing shields (fitted). Will require sharpening to restore cutting edge. Sharpening is available - please contact us for a quote. Overall cylinder diameter 139mm. Individual blade height 22mm. Special freight required - please contact us with your postcode for an accurate postage quote. Local collection also available.
1 in stock



Product Code SB4517REEL
Cylinder Blade fits SB45 17 inch
Price AUD $120.00

 
 
 
 
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