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John Deere JS45

The John Deere JS45 is the top-model walk behind, self driven lawnmower of those offered by John Deere. It is powered by a 4 cycle 190cc Briggs & Stratton engine that has 8.75 lb-ft of gross torque.  The Fresh Start fuel tank cap contains fuel stabilizer that drips into the tank to ensure fresh fuel and quick starts at all times and overhead valve design gives more efficient engine operation. The MowMentum Drive System gives you infinite speed adjustments from 0 to 3.6 mph by pivoting the handle control. The 3-in-1 blade provies outstanding cutting performance and is designed to be used with any of the three grass-clipping handling options; side-discharge, mulching or bagging. Unlike other the other mowers in this line, the JS45 has lockable front caster wheels to give this mower a zero-turning-radius. Also unique to this model is individual wheel height adjustements from 1.25" to 4".

John Deere JS45
MSRP $529.00
Release date October, 2008
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Pros & Cons10
Reviews4
Details
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Comments1
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Pros & Cons

ProSCORE
3 reviews
64
negative
mixed
positive
2 positive
0 mixed
1 negative

[i] How is the ProSCORE calculated?

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Pros:
Do you agree?
self-powered
+2agreedisagree

side-discharge, mulching or bagging
+1agreedisagree

height adjustment from 1.25" to 4"
+1agreedisagree

powerful
+1agreedisagree

front wheels on casters - easy to maneuver
+1agreedisagree

2-year warranty
+1agreedisagree

Cons:
Do you agree?
height adjustment is per individual wheel
+1agreedisagree

caster wheels make for an odd aesthetic
+1agreedisagree

crankshaft bends EASILY and is NOT covered by warranty
+1agreedisagree

wheel adjustments are difficult, need better design
+1agreedisagree


4 people added to this review by submitting or voting on pros and cons. Add your say!

Details

It has built in safety features like the zone-start system which requires that the engine be started from behind the handle bar, and the blade is designed to stop when the control handle is released. The wheels themselves are made of high-impact plastic with a molded rubber tread for superior traction and long life. The handlebar has conveniently located controls for easy operation, and can be easily adjusted or folded down for compact storage or transport.

Engine Specifications 

  • Manufacturer: Briggs & Stratton 
  • Power: 8.75 lb-ft gross torque per SAE J1940 
  • Displacement: 11.6 cu in. (190 cc) 
  • Type: 4 cycle, OHV 
  • Throttle control: Fixed speed 
  • Electric start: No 
  • Operator presence: Yes 
  • Zone: Yes 
  • BBC: N/A  

 
Mower Specifications 

  • Deck: 21-in. steel 
  • Discharge: 3-in-1 
  • Side Discharge: Standard 
  • Bag: Standard, 2 1/2 bu 
  • Mulch: Standard 
  • Transmission: Variable speed 
  • Wheels: 8x2 front caster, 9x2 rear 
  • Wheel adjusters: Individual at wheels 
  • U.S. Warranty: 2 year 
     

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This report was started July 6, 2009 at 5:47 pm by Special K
with the last edit occurring September 30, 2009 at 5:08 pm by nullman
This page has been viewed 864 times, with 31 edits by 5 contributors.
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Comments

1.  avatar Booma said:

The crankshaft bends easily on this mower and isn't covered by the warranty. My lawn doesn't have stalagmites, tree stumps, or anything like that and I've used a cheap Murray lawn mower for years with no problem like a bent crankshaft. Second mowing season with the JD and it's been the shop for over 5 weeks. Newsflash: homeowners with walk-behind mowers are NOT the priority customers at a farm equipment dealer.

There was another js45 there with the exact same problem, a bent crankshaft. If you do a little research on the web, you'll see that it's a pretty common problem. Sounds like a design flaw to me. They should have the engineers from Murray come over and give them some tips LOL!
Jul 28, 2009 12:50pm
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Reviews

Sort by: Most helpful  •  Newest  •  Most positive

Yale

avatar
July 16, 2009
approved
reviewer
ProSCORE
75
negative
mixed
positive
6 pros
2 cons
1 out of 1 people found this review helpful.

Pros

  • self-powered
  • side-discharge, mulching or bagging
  • height adjustment from 1.25" to 4"
  • powerful
  • front wheels on casters - easy to maneuver
  • 2-year warranty

Cons

  • height adjustment is per individual wheel
  • caster wheels make for an odd aesthetic

Did you find this review helpful?
Yes
 / 
No

Booma

avatar
July 28, 2009
approved
reviewer
ProSCORE
0
negative
mixed
positive
0 pros
3 cons
have ithave it
1 out of 1 people found this review helpful.

Pros

Did not agree with any pros

Cons

  • caster wheels make for an odd aesthetic
  • crankshaft bends EASILY and is NOT covered by warranty
  • wheel adjustments are difficult, need better design

Comments

"The crankshaft bends easily on this mower and isn't covered by the warranty. My lawn doesn't have stalagmites, tree stumps, or anything like that and I've used a cheap Murray lawn mower for years with no problem like a bent crankshaft. Second mowing season with the JD and it's been the shop for over 5 weeks. Newsflash: homeowners with walk-behind mowers are NOT the priority customers at a farm equipment dealer.

There was another js45 there with the exact same problem, a bent crankshaft. If you do a little research on the web, you'll see that it's a pretty common problem. Sounds like a design flaw to me. They should have the engineers from Murray come over and give them some tips LOL!"
Did you find this review helpful?
Yes
 / 
No

Erik

avatar
July 16, 2009
approved
reviewer
ProSCORE
100
negative
mixed
positive
3 pros
0 cons

Pros

  • self-powered
  • side-discharge, mulching or bagging
  • front wheels on casters - easy to maneuver

Cons

Did not agree with any cons

Did you find this review helpful?
Yes
 / 
No

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This product is also known as:

JS, 45, JS45