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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".
MSRP $529.00
Release date October, 2008
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Pros & Cons10
Reviews4
Details
Buy It
Competitors4
Related2
Gallery2
Pros & Cons
2 positive
0 mixed
1 negative
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The ProSCORE is calculated based on the ratio of Pros & Cons about this product as voted by
approved reviewers from the ProductWiki community.
ProSCORE = 100 x (Pro votes) / [(Pro votes) + (Con votes)]
Numbers used for this ProSCORE:
Pro votes = 9
Con votes = 5
Total votes = 14
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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
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Buy It
Competitors
MSRP $499.00
Released January, 2008
Pros
- self-propelled, rear wheel drive system
- matches your walking speed automatically
- side discharge, rear bag or mulch settings
- height adjustable
- 2-year warranty
Cons
- deck height adjustment needs to be done on each wheel individually
John Deere JS45
vs.
Lawn-Boy 10666
MSRP $549.00
Released March, 2008
Snapper's 21675B is a mid-range lawn mower, and the most basic of its "Hi-Vac" enabled mowers. Hi-Vac is the name Snapper uses to describe the grass-collecting feature, pulling grass clippings upward rather than backward and then into a bag (this is supposed to be superior to conventional rear-mounted bagging systems). The bag itself holds...
John Deere JS45
vs.
Snapper 21675B
MSRP $549.00
Released March, 2008
The Toro 20091 is a mid-range lawn mower intended for home use, and is one step up from the 20090 model. The two have identical features with the exception of the "Personal Pace" feature on the 20091. This is a rear-wheel drivetrain that is supposed to automatically sense the speed of the operator and...
John Deere JS45
vs.
Toro 20091
MSRP $539.00
Released January, 2008
The 10765 is a walk-behind gas mower that is at the bottom of Lawn-Boy's flagship Insight Platinum series. The mower features a Sens-a-Speed self-propel drive system that makes it easy to push and automatically adjusts the motor speed to match the user's pace. It offers 6.75 ft. lbs of gross torque for powerful performance and is designed with a 21" cast...
John Deere JS45
vs.
Lawn-Boy 10765
Reviews
July 16, 2009
approved
reviewer
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
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July 28, 2009
approved
reviewer

have 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
Did you find this review helpful?
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/
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July 16, 2009
approved
reviewer
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?
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/
No
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This product is also known as:
JS, 45, JS45