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Model No.
Description Name
936307
Sierra 1640H
936308
Sierra 1640G
936309
Sierra 1648H
Length, in. (m)
Height, in. (m)
Width, in. (m)
Wheel Base, in. (m)
Actual Weight, lbs. (kg)
66.50 (1.68)
42.00 (1.07)
52.00 (1.32)
46.00 (1.17)
480 (217)
66.50 (1.68)
41.25 (1.05)
52.00 (1.32)
46.00 (1.17)
480 (217)
66.50 (1.68)
42.00 (1.07)
52.00 (1.32)
46.00 (1.17)
518 (234)
Battery 12 Volt 290 CCA 12 Volt 290 CCA 12 Volt 290 CCA
Hour Meter Optional (736008) Optional (736008) Optional (736008)
Seat High Medium High
Brakes Disc. Disc. Disc.
Steering Gear Gear Gear
Turning Radius, in. (cm) 20/26 (51/66) 20/26 (51/66) 20 (51)
Tire Size
Front 15x6.00-6 15x6.00-6 15x6.00-6
Rear 20x8.00-8 20x8.00-8 20x8.00-8
Diagnostic Lights Yes Yes Yes
Engine 1.6 HO V-Twin 14.0 HP OHV OHV 16 HP
Manufacture Briggs & Stratton Briggs & Stratton Tecumseh
Fuel and Capacity, gal. (L) Unleaded, 3 (11.4) Unleaded, 3 (11.4) Unleaded, 3 (11.4)
Idle R.P.M. 1800 1800 1800
Governed R.P.M. 3000 3250 Max 3400
Crank Case Capacity, oz. (L) 56 (1.7) 56 (1.7) 56 (1.7)
(Oil Filter) (Yes) (Yes) (Yes)
Air Cleaner Paper Element Paper Element Paper Element
Foam Precleaner Foam Precleaner Foam Precleaner
Charging Capacity 16 AMP Regulated 3/5 AMP Unregulated 16 AMP Regulated
Fuel Filter 120 Micron 120 Micron 120 Micron
2 1/2 GPA Capacity 2 1/2 GPA Capacity 2 1/2 GPA Capacity
Engine Oil
5W30 Below 40
o
F (4
o
C) 5W30 Below 40
o
F (4
o
C) 5W30 Below 40
o
F (4
o
C)
30w Above 40
o
F (4
o
C) 30W Above 40
o
F (4
o
C) 30W Above 40
o
F (4
o
C)
Spark Plug Gap .030 Champion RC12YC .030 Champion RC12YC .030 Champion RC12YC
Transmission Hydrogear 312-0750 Peerless 206-517 Hydrogear 325-0750
6 Speed
Speed - Forward Max. 0.0 - 5.0 MPH 0.8-5.5 MPH 0.0-5.5 MPH
- Reverse Max 0.0 - 2.5 MPH 1.9 MPH 0.0-2.5 MPH
Transmission Lube 20W50 Oil Grease 20W50 Oil
Drive Clutch Belt Clutched Belt Clutched Belt Clutched
Axle Capacity 175 ft lb (129 Nm) 150 ft lb (110 Nm) 175 ft lb (129 Nm)
Allowable Added Weight 130 lb (58.9 kg) 130 lb (58.9 kg) 130 lb (58.9 kg)
Rear Axle Maximum Load 568 lb (257 kg) 450 lb (204 kg) 568 lb (257 kg)
Tire Pressure With Loads
Front/Rear - Light & Medium 10 PSI/10 PSI 10 PSI/10 PSI 10 PSI/10 PSI
- Heavy (SnoThro) 14 PSI/10 PSI 14 PSI/10 PSI 14 PSI/10 PSI
Lift System Manual Manual Manual
Power Take Off - Front Electric Electric Electric
Mower Pan, in. (cm) 40 (101) 40 (101) 48 (122)
Bagger 3 Bucket/1 Bag 836008/836007 836008/836007
Sno-Thro 836010 836010 836010
Dozer Blade 834034 834034 834034