Viper™ Rear Loader

The New Way Viper is one of the most popular 11 to 13 yd³ rear load bodies on the market today. Larger capacity Viper units are excellent for both residential and commercial work. With options including all varieties of residential cart tippers and commercial container attachments, this venomous rear loader is sure to paralyze the competition.The Viper Rearloader

  • General Specs
  • Hydraulic Cylinder Specs
  • Chassis Min Requirements
General Specifications (standard)
Model
11 RL
13 RL
16 RL
18 RL
20 RL
25 RL
Body Capacity
11 yd³
13 yd³
16 yd³
18 yd³
20 yd³
25 yd³
Body Width - Outside (A)
96"
96"
96"
96"
96"
96"
Body Width - Inside
93"
93"
93"
93"
93"
93"
Body Length (B)
192"
210"
213"
227"
245"
270"
Body Length - Tailgate Raised
212"
230"
233"
247"
255"
290"
Body Height (C)
71"
71"
83"
83"
83"
94"
Body Height - Tailgate Raised
145"
145"
158"
158"
158"
94"
Approx. Body Weight *
 (Empty & Exclusive of Options)
9,250 lbs.
9,600 lbs.
10,120 lbs.
10,560 lbs.
11,025 lbs.
12,200 lbs.
Hopper Capacity
2.5 yd³
2.5 yd³
3 yd³
3 yd³
3 yd³
3 yd³
Hopper Opening Width
74"
74"
74"
74"
74"
74"
Hopper Load Height
Frame
Frame
Frame
Frame
Frame
Frame
Hopper Cycle Time (sec)
25-30
25-30
25-30
25-30
25-30
25-30
Trough (Y/N)
Y
Y
Y
Y
Y
Y
Hydraulic Cylinder Specifications (standard)
Model
11 RL
13 RL
16 RL
18 RL
20 RL
25 RL
Slide Cylinders (2 Each)
4" Bore, 36" Stroke, 2-1/2" Rod
4" Bore, 36" Stroke, 2-1/2" Rod
4" Bore, 43" Stroke, 3" Rod
4" Bore, 43" Stroke, 3" Rod
4" Bore, 43" Stroke, 3" Rod
4" Bore, 43" Stroke, 3" Rod
Sweep Cylinders (2 Each)
5" Bore, 16" Stroke, 2-1/2" Rod
5" Bore, 16" Stroke, 2-1/2" Rod
5" Bore, 16" Stroke, 2-1/2" Rod
5" Bore, 16" Stroke, 2-1/2" Rod
5" Bore, 16" Stroke, 2-1/2" Rod
5" Bore, 16" Stroke, 2-1/2" Rod
Tailgate Cylinders (2 Each)
3 1/2" Bore, 24" Stroke, 1-3/4" Rod
3 1/2" Bore, 24" Stroke, 1-3/4" Rod
4" Bore, 24" Stroke, 1-3/4" Rod
4" Bore, 24" Stroke, 1-3/4" Rod
4" Bore, 24" Stroke, 1-3/4" Rod
4" Bore, 19-7/8" Stroke, 1-3/4" Rod
Ejection Cylinder (Telescopic)
3 STAGE 5 1/2" Bore, 69" Stroke
4 Stage, 6-1/2" Bore, 100" Stroke
4 Stage, 6-1/2" Bore, 100" Stroke
4 Stage, 6-1/2" Bore, 100" Stroke
4 Stage 6-1/2" Bore, 114" Stroke
4 Stage 6 1/2" Bore, 144" Stroke
Chassis Minimum Requirements (standard)
Model
11 RL
13 RL
16 RL
18 RL
20 RL
25 RL
Minimum GVWR **
25,950 lbs.
27,500 lbs.
29,000 lbs.
30,000 lbs.
33,000 lbs.
52,000 lbs.
Recommended Cab
to Trunion
84"
102"
112"
120"
138"
156"

‡ - Length measured depends on options ordered
* - Approximate Body Weight empty and exclusive of options
** - Any Chassis sent to Scranton Manufacturing with less than the minimum guideline requirements will not be mounted. (Chassis must be capable of carrying the net weight of the body plus the weight of the refuse collected.)

Viper Technical Drawing

Viper Body Construction


Body Specs
Main Body Rails C8x11.5# STRUCTURAL CHANNEL
Floor Front: .25; Rear: .25 FRONT: 50K; REAR: 50K
Floor Braces 8" WIDE; 10GA 50K
Center Floor Braces 8" WIDE; 10GA 50K
Mounting Brackets WELDED TO MAIN BODY RAILS; 1/2" A36
Ejection Panel Tracks C8 x 11.5# Structural Channel Wear Strips  
Side Walls 10GA 80K
Roof 10GA 80K
Rear Frame FORMED 6 11/16" x 4 13/16", 1/4"-GR50 FORMED + WELDED 1/4" GR 50, SIDES UPPER & LOWER. A36; 50K
Rear Frame Lower Slope N/A  
Rear Frame Lower Slope Supports N/A  
Rear Slope Perimeter Support N/A  
Tailgate Hinge Lugs 1" A36
Upper Bulkhead 10GA 50K
Side Bulkhead N/A  
Lower Bulkhead 1/4" 50K
Access Door 28" X 23 1/2"  
Upper Body Bolsters (Transitions) 10GA 50K
Lower Body Bolsters (Transitions) 10GA 50K
Tailgate Specs
Hopper Capacity 11-13RL: 2-1/2yd; 16-25RL: 3yd  
Hopper Opening Height 11-13RL: 45"; 16-20RL: 52"; 25RL: 50"  
Hopper Opening Width 74"  
Upper Hopper Brace FORMED 1/4" A36
Hopper Floor 1/4" 50K
Hopper Braces FORMED 1/4" 50K
Tailgate Seal Height 14"  
Lower Tailgate Side 10 GA 50K
Upper Tailgate Sides 10GA 50K
Slide Tracks FORMED 1/4" 50K
Slide Wear Strips 1/2"x2 1/2" A36
Tailgate Side Braces FORMED 7GA 50K
Tailgate Hinge Lugs 1" A36
Slide Specs
Face Sheet 7GA 50K
Face Sheet Braces FORMED 7 GA 50K
Lugs 1" X 4" 1018CF FLAT
Lug Center Braces FORMED 10 GA 50K
Upper Slide Shoe LUG: 7 1/4" X 1"; UHMW: 6 7/8" X 5 13/16" X 1 3/4"  
Lower Slide Shoe PLATE: 5" X 21" X 5/8"; UHMW: 4 1/2" X 24" X 2 3/4" PLATE: A36
Upper Slide Cylinder Pins 1 1/2" O.D. 1144 STRESSPROOF
Upper Sweep Pin 1 1/2" O.D. 1144 STRESSPROOF
Lower Sweep Pin 2" O.D. 1144 STRESSPROOF
Sweep Specs
Face Plate 1/4" 50K
Lugs 1" 50K
Center Braces N/A  
Backing Plate 10 GA 50K
Sweep Nose 5/8" A36
Bronze Bushings 2" ID
Ejection Panel Specs
Base & Support Structure FORMED 1/4" 50K; TUBE: 1/4" X 4"; FLAT: 1/4" X 4  
Upper Face Sheet 10 GA 50K
Face Sheet 10 GA 50K
Shoes 1 11/16" X 2 1/4" X 12" UHMW QTY.(8)
Nose 1/4" A36
Cylinder Supports 3/4"; FORMED 3/8" A36; 50K
Cylinder Pin 1 1/4" O.D. 1144 STRESSPROOF
Hydraulic System Specs
Oil Reservoir 45 GALLON WITH 100 MESH 141 MICRON SUCTION STRAINER 151-170 L
Min. Accept. Oil Flow 20 GPM 76 LPM
Oil Flow w/std Pump 25 GPM 1,350-1,400 RPM
Max. Oper. Pressure 2,200 PSI 13,790 KPA
Engine RPM for STD GPM 1,200-1,500  
Hydraulic Hoses 4 to 1 Burst  
Hydraulic Filter 10 micron  

Standard Equipment

  • Semi Automatic Cycling
  • Auto Back Pack
  • Accelerator Kit
  • Auto-Lock Tailgate
  • Back Up Alarm
  • All LED Lights
  • Light Bar
  • Sight Gauge on Oil Tank
  • Oil Pressure Gauge
  • Chrome Cylinders
  • Side Access Door
  • Driver Alert Buzzer
  • Tailgate Ajar Indicator
  • Pump
  • Riding Steps on Rear
  • Prime Paint
  • Rear Vision Camera System

Optional Equipment

  • Special Lighting
  • PTO
  • Finish Paint-Imron 5000
  • Container Lifts
  • Pack at idle
  • Hopper Liners
  • Magnum Steel Package
  • Scale System