Intek™ (Single Cylinder)

Intek™ (Single Cylinder)

Discover a new standard in reliability. The powerful Intek™ Series riding mower engines deliver superior performance and durability.

10.5 - 19

Gross Horsepower

344 - 540

Displacement (cc)

1.4

Oil Capacity (L)

2 Year

Warranty

Features

Anti-Vibration System - AVS®

Provides a smoother ride and more comfort.

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.

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
21R7
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
10.5.0
Engine Displacement (cc)
344
Cylinder
Cast Iron Sleeve
Bore (mm)
87.3
Stroke (mm)
57.5
Fuel Tank Capacity (L)
2.6 (optional)
Oil Capacity (L)
1.4
Weight (kg)
26.8
Length (mm)
452
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
90 Days
Model Number
31R5
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
13.5.0
Engine Displacement (cc)
500
Cylinder
Cast Iron Sleeve
Bore (mm)
90.5
Stroke (mm)
77.8
Oil Capacity (L)
1.4
Weight (kg)
29.5
Length (mm)
479
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Intek™ (Single Cylinder)
Model Number
31R6
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
14.5.0
Engine Displacement (cc)
500
Cylinder
Cast Iron Sleeve
Bore (mm)
90.5
Stroke (mm)
77.8
Oil Capacity (L)
1.4
Weight (kg)
29.5
Length (mm)
479
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Intek™ (Single Cylinder)
Model Number
31R7
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
15.5.0
Engine Displacement (cc)
500
Cylinder
Cast Iron Sleeve
Bore (mm)
90.5
Stroke (mm)
77.8
Oil Capacity (L)
1.4
Weight (kg)
29.5
Length (mm)
479
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Intek™ (Single Cylinder)
Model Number
31R8
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
16.5.0
Engine Displacement (cc)
500
Cylinder
Cast Iron Sleeve
Bore (mm)
90.5
Stroke (mm)
77.8
Oil Capacity (L)
1.4
Weight (kg)
29.5
Length (mm)
479
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Intek™ (Single Cylinder)
Model Number
31R9
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
17.5.0
Engine Displacement (cc)
500
Cylinder
Cast Iron Sleeve
Bore (mm)
90.5
Stroke (mm)
77.8
Oil Capacity (L)
1.4
Weight (kg)
29.5
Length (mm)
479
Width (mm)
393
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Intek™ (Single Cylinder)
Model Number
33R7
Gross Power HP* (kW) @3'600 rpm
18.5.0
Engine Displacement (cc)
540
Cylinder
Cast Iron Sleeve
Bore (mm)
94
Stroke (mm)
77.8
Oil Capacity (L)
1.4
Weight (kg)
29.5
Length (mm)
479
Width (mm)
411
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Intek™ (Single Cylinder)
Engine Configuration
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Model Number
33R8
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
19.0
Engine Displacement (cc)
540
Cylinder
Cast Iron Sleeve
Bore (mm)
94
Stroke (mm)
77.8
Oil Capacity (L)
1.4
Weight (kg)
29.5
Length (mm)
479
Width (mm)
411
Height (mm)
327
Consumer Limited Warranty†
2 Years
Commercial Limited Warranty†
1 Year
Engine Series
Intek™ (Single Cylinder)

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.

†See briggsandstratton.com for warranty details.

Model Number
21R7
21R7
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
11.5*
10.5.0
11.5*
Engine Displacement (cc)
344
344
344
Cylinder
Cast Iron Sleeve
Cast Iron Sleeve
Cast Iron Sleeve
Bore (mm)
87.3
87.3
87.3
Stroke (mm)
57.5
57.5
57.5
Fuel Tank Capacity (L)
2.6 (optional)
2.6 (optional)
2.6 (optional)
Oil Capacity (L)
1.4
1.4
1.4
Weight (kg)
26.8
26.8
26.8
Length (mm)
452
452
452
Width (mm)
393
393
393
Height (mm)
327
327
327
Consumer Limited Warranty†
2 Years
2 Years
Commercial Limited Warranty†
90 Days
90 Days
Warranty Commercial Product
90 Days Commercial Limited†
90 Days Commercial Limited†

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.

†See briggsandstratton.com for warranty details.