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Recommendation chart

Small lawn
Not recommended
Not recommended
Not recommended
Not recommended
Not recommended
Acceptable
Acceptable
Acceptable
Optimal
Optimal
Optimal
Optimal
Not recommended
Optimal
Not recommended
Medium lawn
Good
Optimal
Optimal
Optimal
Optimal
Optimal
Optimal
Optimal
Acceptable
Acceptable
Acceptable
Acceptable
Good
Not recommended
Not recommended
Large lawn
Optimal
Good
Good
Good
Good
Good
Good
Good
Not recommended
Not recommended
Not recommended
Not recommended
Optimal
Not recommended
Not recommended

Technical specifications

LM 2156 CMDA LM 2153 CMDAE LM 2153 CMDAE LM 2153 CMDA LM 2153 CMDA LM 2152 CMDAE LM 2152 CMDAE LM 2152 CMDA LM 2147 CMDAE LM 2147 CMD LM 2147 CM LM 2146 CMD LM 2155 MD LM 2146 M LM 2150 SM
Engine
Engine manufacturer Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton Briggs & Stratton
Engine type Professional Series - Professional Series - Professional Series Quantum Quantum Quantum -------
Engine name 875 Series 650e Series 875 Series 650e Series 875 Series 650e Series 650e Series 650e Series 675e Series 675e Series 675e Series 450e 650e Series 450e 450e
Cylinder displacement 190 cm³ / 11.59 cu.inch 190 cm³ / 11.59 cu.inch 190 cm³ / 11.59 cu.inch 190 cm³ / 11.59 cu.inch 190 cm³ / 11.59 cu.inch 190 cm³ / 11.59 cu.inch 190 cm³ / 11.59 cu.inch 190 cm³ / 11.59 cu.inch 190 cm³ / 11.6 cu.inch 190 cm³ / 11.6 cu.inch 190 cm³ / 11.6 cu.inch 125 cm³ / 7.63 cu.inch 190 cm³ / 11.59 cu.inch 125 cm³ / 7.6 cu.inch 125 cm³ / 7.63 cu.inch
Net power at preset rpm 3.3 kW @ 2950 rpm 2.4 kW @ 2900 rpm 3.3 kW @ 2950 rpm 2.4 kW @ 2900 rpm 3.3 kW @ 2950 rpm 2.5 kW @ 2950 rpm 2.5 kW @ 2950 rpm 2.5 kW @ 2950 rpm --- 1.8 kW @ 2900 rpm 2.5 kW @ 2950 rpm 1.9 kW @ 2900 rpm 1.7 kW @ 2900 rpm
Fuel tank volume 1.1 lit / 0.29 gal. 1 lit / 0.26 gal. 0.9 lit / 0.24 gal. 1 lit / 0.26 gal. 1.5 lit / 0.4 gal. 1.5 lit / 0.4 gal. 1.5 lit / 0.4 gal. 1.5 lit / 0.4 gal. 1 lit / 0.3 gal. 1 lit / 0.3 gal. 1 lit / 0.26 gal. 0.8 lit / 0.21 gal. 1 lit / 0.4 gal. 0.8 lit / 0.21 gal. 0.8 lit / 0.21 gal.
Drive system
Drive system Self-propelled, variable speed Front wheel drive Front wheel drive Self-propelled, variable speed Self-propelled, variable speed Self-propelled, variable speed Self-propelled, variable speed Rear wheel drive Self-propelled, variable speed Self-propelled, single speed Push Self-propelled, single speed Self-propelled, single speed Push Push
Drive wheels Front Front Front Front Front Rear Rear Rear Rear Rear - Rear Front --
Speed forward, min-max 0-5.79 km/h / 0-3.6 mph 0-5.31 km/h / 0-3.3 mph 0-5.31 km/h / 0-3.3 mph 0-4.2 km/h / 0-2.6 mph 0-4.2 km/h / 0-2.6 mph 0-5.15 km/h / 0-3.2 mph 0-5.15 km/h / 0-3.2 mph 0-4.2 km/h / 0-3.2 mph 0-4 km/h / 0-2.8 mph ------
Speed --------- 4 km/h - 4 km/h 4.2 km/h --
Cutting deck
Cutting deck material Steel Steel Steel Steel Steel Steel Steel Steel Steel Steel Steel Steel Steel ABS plastic Steel
Cutting methods Collect/Mulch/Side ejection 3-in-1 Mulch/Rear Bag/Side Discharge Capable 3-in-1 Mulch/Rear Bag/Side Discharge Capable Collect/Mulch/Side ejection Collect/Mulch/Side ejection 3-in-1 Mulch/Rear Bag/Side Discharge Capable 3-in-1 Mulch/Rear Bag/Side Discharge Capable Collect/Mulch Collect/Mulch/Rear ejection Collect/Mulch/Rear ejection Collect/Mulch/Rear ejection Collect/Mulch/Rear ejection Mulching/Side discharge Mulching Side discharge
Cutting width 56 cm / 22 inch 53 cm / 21 inch 53 cm / 21 inch 53 cm / 21 inch 53 cm / 21 inch 53 cm / 21 inch 53 cm / 21 inch 53 cm / 21 inch 46 cm / 18 inch 46 cm / 18 inch 46 cm / 18 inch 46 cm / 18 inch 55 cm / 22 inch 46 cm / 18 inch 51 cm / 20 inch
Cutting height, min-max 30 - 105 mm / 1.25 - 4.25 inch 31 - 88 mm / 1.23 - 3.47 inch 31.24 - 88.14 mm / 1.23 - 3.47 inch 31 - 88 mm / 1.2 - 3.5 inch 30 - 80 mm / 1.18 - 3.15 inch 28.7 - 86.87 mm / 1.13 - 3.42 inch 28.7 - 86.87 mm / 1.13 - 3.42 inch 32 - 95 mm / 1.26 - 3.74 inch 30 - 70 mm / 1.2 - 2.8 inch 30 - 70 mm / 1.2 - 2.8 inch 30 - 70 mm / 1.2 - 2.8 inch 30 - 80 mm / 1.18 - 3.15 inch 31.75 - 88.9 mm / 1.25 - 3.5 inch 30 - 65 mm / 1.2 - 2.7 inch 27 - 78 mm / 1.05 - 3.07 inch
Cutting height steps 9 5 5 5 5 7 7 7 6 6 6 6 9 3 5
Cutting height adjustment Individual Individual Individual Individual Individual Single Lever Single Lever Central Central Central Central Three-point Individual Individual Individual
Equipment
Collector type Soft bag Down vented soft bag Down vented soft bag Soft bag Soft bag Down vented soft bag Down vented soft bag Soft bag -- Hardtop with soft bag ----
Collector volume 62 lit / 2.2 cu.feet 65 lit / 2.3 cu.feet 65 lit / 2.3 cu.feet 65 lit / 2.3 cu.feet 65 lit / 2.3 cu.feet 62 lit / 2.2 cu.feet 85 lit / 3 cu.feet 62 lit / 2.2 cu.feet 55 lit / 1.94 cu.feet 55 lit / 1.94 cu.feet 55 lit / 1.94 cu.feet 50 lit / 1.77 cu.feet ---
Handle type Ergonomic Ergonomic Ergonomic Easy Walk Ergonomic Ergonomic Ergonomic Comfort Ergonomic Ergonomic Ergonomic Ergonomic Ergonomic Ergonomic Flat
Wheel bearing, front/rear Metal bushing/Double ball bearings Metal bushing/Double ball bearings Metal bushing/Double ball bearings Metal bushing/Double ball bearings Metal bushing/Double ball bearings Double ball bearings/Metal bushing Double ball bearings/Metal bushing Double ball bearings/Metal bushing ---- Metal bushing/Double ball bearings - Plain bore/Plain bore
Electric start -
Yes
Yes
--
Yes
Yes
-
Yes
------
Dimensions
Wheel size, front/rear 203 mm/305 mm / 8 inch/12 inch 203 mm/203 mm / 8 inch/8 inch 203 mm/305 mm / 8 inch/12 inch 203 mm/203 mm / 8 inch/8 inch 203 mm/305 mm / 8 inch/12 inch 203 mm/203 mm / 8 inch/8 inch 203 mm/203 mm / 8 inch/8 inch 203 mm/203 mm / 8 inch/8 inch 194 mm/214 mm / 7.6 inch/8.4 inch 194 mm/214 mm / 7.6 inch/8.4 inch 194 mm/214 mm / 7.6 inch/8.4 inch 194 mm/214 mm / 7.6 inch/8.4 inch 203 mm/203 mm / 8 inch/8 inch 165 mm/165 mm / 6.5 inch/6.5 inch 203 mm/203 mm / 8 inch/8 inch
Length 160 cm / 63 " 166.4 cm / 65.5 " 166.4 cm / 65.5 " 162.56 cm / 64 " 162.56 cm / 64 " 166.4 cm / 65.5 " 166.4 cm / 65.5 " 166.4 cm / 65.5 " ---- 173 cm / 68 " - 152.4 cm / 60 "
Width 59.7 cm / 23.5 " 54.6 cm / 21.5 " 54.6 cm / 21.5 " 55.88 cm / 22 " 58.42 cm / 23 " 54.6 cm / 21.5 " 54.6 cm / 21.5 " 54.6 cm / 21.5 " ---- 58 cm / 23 " - 52.07 cm / 20.5 "
Height 104.1 cm / 41 inch 110.5 cm / 39.5 inch 110.5 cm / 39.5 inch 101.09 cm / 39.8 inch 101.09 cm / 39.8 inch 99.82 cm / 39.3 inch 110.5 cm / 43.5 inch 99.82 cm / 39.3 inch ---- 99 cm / 39 inch - 96.52 cm / 38 inch
Weight 37.2 kg / 82 lbs 39.64 kg / 87.4 lbs 41.3 kg / 91 lbs 36 kg / 79.4 lbs 37.56 kg / 82.8 lbs 39.15 kg / 86.3 lbs 40 kg / 88 lbs 36.74 kg / 81 lbs 35 kg / 78 lbs 35 kg / 77.16 lbs 33.7 kg / 74 lbs 30 kg / 66.14 lbs 34 kg / 75.2 lbs 25 kg / 55 lbs 21 kg / 47 lbs
Sound and noise data
Sound pressure level at operators ear 84 dB(A) 84 dB(A) 84 dB(A) 84 dB(A) 84 dB(A) 84 dB(A) 84 dB(A) 84 dB(A) 82 dB(A) 82 dB(A) 82 dB(A) 80 dB(A) 84 dB(A) - 84 dB(A)
Sound power level, measured 95 dB(A) 98 dB(A) 98 dB(A) 95 dB(A) 95 dB(A) 95 dB(A) 96 dB(A) 95 dB(A) 95 dB(A) 95 dB(A) 95 dB(A) 94 dB(A) 98 dB(A) - 98 dB(A)
Sound power level, guaranteed (LWA) 98 dB(A) 98 dB(A) 98 dB(A) 98 dB(A) 98 dB(A) 98 dB(A) 98 dB(A) 98 dB(A) 95 dB(A) 95 dB(A) 95 dB(A) 95 dB(A) 98 dB(A) - 98 dB(A)

Features

LM 2156 CMDA LM 2153 CMDAE LM 2153 CMDAE LM 2153 CMDA LM 2153 CMDA LM 2152 CMDAE LM 2152 CMDAE LM 2152 CMDA LM 2147 CMDAE LM 2147 CMD LM 2147 CM LM 2146 CMD LM 2155 MD LM 2146 M LM 2150 SM
Powered wheels
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Automatic transmission with double levers
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Efficient collector
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Extra large collector with wide opening
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Side ejection
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
No
Yes
Mulching
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
ReadyStart
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
No
No
Large rear wheels
Yes
No
Yes
No
Yes
No
No
No
No
No
No
No
No
No
No
Foldable handle
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Handle height adjustment
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Soft-grip handle
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Water hose connection
Yes
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
Push button start
No
Yes
Yes
No
No
No
No
No
Yes
No
No
No
No
No
No
Automatic transmission
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Single-lever cutting height adjustment
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
Rear ejection
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
Double ball-bearing wheels
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
No
Model name J40 LM 2040 HF LM 2040 H
Price

Recommendation chart

Small lawn
Optimal
Optimal
Optimal
Medium lawn
Not recommended
Not recommended
Not recommended
Large lawn
Not recommended
Not recommended
Not recommended

Technical specifications

J40 LM 2040 HF LM 2040 H
Capacity
Cutting width 40 cm / 15.75 inch 40 cm / 16 inch 40 cm / 16 inch
Cutting height, min-max 12 - 38 mm / 0.47 - 1.5 inch 12 - 38 mm / 0.5 - 1.5 inch 12 - 38 mm / 0.5 - 1.5 inch
Cutting height steps 4 4 4
Blades 5 5 5
Equipment
No friction reel blade/bedknife
Yes
Yes
-
Collector Available as accessory Available as accessory Available as accessory
Handle type - Pilot -
Soft grip -
Yes
-
Dimensions
Wheel size 220 mm / 8.66 " --
Weight 7.9 kg / 17.42 lbs 10.1 kg / 22 lbs 9 kg / 20 lbs

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