Intek™ (V-Twin)

Briggs and Stratton Engines present an easy-starting system, ReadyStart®, that makes the choke on riding mowers obsolete. Much like a car, the easy start riding lawn mower turns on with just the use of a key or push button start. Reliability and convenience combined like never before. The powerful Intek™ Series V-Twin riding mower engine delivers superior performance and durability. The Intek incorporates dozens of endurance-driving improvements -- including a Dynamically Balanced Crankshaft for a smoother mow and longer life -- along with the easily maintained lawn mower engine made possible by the Tool-less Air Cleaner Cover.

18 - 24

Gross Horsepower

656 - 724

Displacement (cc)

1.9

Oil Capacity (L)

2 Year

Warranty

Features

Intek Series™ Riding Mower Engine

More durable. More efficient. More powerful. Mows the lawn and lasts long.

ReadyStart® Engine Starting System

No prime, no choke, no worries. Just pull for power.

Overhead Valve (OHV) Engine Design

OHV engines run cooler and cleaner for better fuel economy and longer engine life.

Advanced Debris Management System

Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life.

Specifications

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Model Number
40N7
Gross Power HP* (kW) @3'600 rpm
18
Cylinder
Cast Iron Sleeve
Stroke (mm)
73.4
Weight (kg)
37.6
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (V-Twin)
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
656
Bore (mm)
79.2
Oil Capacity (L)
1.9
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Model Number
40N8
Gross Power HP* (kW) @3'600 rpm
20
Cylinder
Cast Iron Sleeve
Stroke (mm)
73.4
Weight (kg)
37.6
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (V-Twin)
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
656
Bore (mm)
79.2
Oil Capacity (L)
1.9
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Model Number
40R6
Gross Power HP* (kW) @3'600 rpm
16
Cylinder
Cast Iron Sleeve
Stroke (mm)
73.4
Weight (kg)
37.6
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (V-Twin)
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
656
Bore (mm)
79.2
Oil Capacity (L)
1.9
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Model Number
44N6
Engine Displacement (cc)
724
Bore (mm)
79.2
Oil Capacity (L)
1.9
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Gross Power HP* (kW) @3'600 rpm
22
Cylinder
Cast Iron Sleeve
Stroke (mm)
73.4
Weight (kg)
37.6
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (V-Twin)
Model Number
44N7
Engine Displacement (cc)
724
Bore (mm)
79.2
Oil Capacity (L)
1.9
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Gross Power HP* (kW) @3'600 rpm
23
Cylinder
Cast Iron Sleeve
Stroke (mm)
73.4
Weight (kg)
37.6
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (V-Twin)
Model Number
44N8
Gross Power HP* (kW) @3'600 rpm
24
Cylinder
Cast Iron Sleeve
Stroke (mm)
73.4
Weight (kg)
37.6
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (V-Twin)
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
724
Bore (mm)
79.2
Oil Capacity (L)
1.9
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
†See briggsandstratton.com for warranty details.

Model Number
40N8
40N7
40N8
Engine Type
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
V-Twin, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
20
18
20
Engine Displacement (cc)
656
656
656
Cylinder
Cast Iron Sleeve
Cast Iron Sleeve
Cast Iron Sleeve
Bore (mm)
79.2
79.2
79.2
Stroke (mm)
73.4
73.4
73.4
Oil Capacity (L)
1.9
1.9
1.9
Weight (kg)
37.6
37.6
37.6
Length (mm)
479
479
479
Width (mm)
393
393
393
Height (mm)
327
327
327
Consumer Limited Warranty†
2 Year
2 Year
2 Year
Commercial Limited Warranty†
1 Year
1 Year
1 Year
Engine Series
Intek™ (V-Twin)
Intek™ (V-Twin)
Intek™ (V-Twin)

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
†See briggsandstratton.com for warranty details.