oshkosh

oshkosh
OSHKOSH P-SERIES CHASSIS
®
VEHICLE RATINGS
RATINGS AT AXLE HUBS
FRONT
REAR
TOTAL
P-2526
25,000 lb
[11,340 kg]
26,000 lb
[11,793 kg]
51,000 lb
23,133 kg]
P-2530
25,000 lb
[11,340 kg]
30,000 lb
[13,608 kg]
55,000 lb
[24,948 kg]
P-2546
25,000 lb
[11,340 kg]
46,000 lb
[20,866 kg]
71,000 lb
[32,205 kg]
P-2552
25,000 lb
[11,340 Kg]
52,000 lb
[23,590 Kg]
77,000 lb
[34,930 Kg]
P-2558
25,000 lb
[11,340 Kg]
58,000 lb
[26,300 Kg]
83,000 lb
[37,640 Kg]
FRONT
GAWR
REAR
GAWR
TOTAL
GVWR
P-2526
25,000 lb
[11,340 kg]
25,600 lb
[11,612 kg]
50,600 lb
[22,952 kg]
P-2530
24,600 lb
[11,158 kg]
27,600 lb
[12,519 kg]
52,200 lb
[23,677 kg]
P-2546
24,600
[11,158 kg]
46,000 lb
[20,866 kg]
70,600 lb
[32,024 kg]
P-2552**
25,000 lb
[11,340 Kg]
52,000 lb
[23,590 Kg]
77,000 lb
[34,930 Kg]
P-2558**
25,000 lb
[11,340 Kg]
58,000 lb
[26,300 Kg]
83,000 lb
[37,640 Kg]
MODEL
RATINGS AT GROUND*
MODEL
*Ratings are established by federal rules. Certified GVWR figures may differ
slightly from the above figures and may vary with tire size and speeds.
** Ratings reflect 1600R20 Michelin XZL tires. Consult factory for details
AIR CLEANER
Make and Type - Donaldson ECG dry type, two stage; Inside/outside air
intake, manually controlled
AXLE, FRONT
Make and Model - Oshkosh 25K, single reduction with special heat treated
alloy steel shafts and Oshkosh cage ring type steering ends
Ratio - 6.17:1, other ratios available
AXLE, REAR
Make and Model ArvinMeritor RS 26-185, 26K single (4 x 4) [standard]
ArvinMeritor RS 30-185, 30K single (4 x 4) [optional]
ArvinMeritor RS 38-380, 38K single (4 x 4) [optional]
ArvinMeritor RT 46-160, 46K tandem (6 x 6) [standard]
ArvinMeritor RT 52-185, 52K tandem (6 x 6) [optional]
ArvinMeritor RT 58-185, 58K tandem (6 x 6) [optional]
BRAKES, PARKING AND EMERGENCY
Type - Spring brakes mounted on rear axle
Secondary Emergency System - Modulated split type
BRAKES, SERVICE
Type - Dual system, anti-lock, air operated mechanical
Size - Front - 16.5 x 7.0 in [419 mm x 178 mm] Rotary S-cam,
434 in2 [2,800 cm2] per axle
Rear - (4x4) 16.5 x 7.0 in [419 x 178 mm] Rotary S-cam,
434 in2 [2,800 cm2] per axle
Rear - (6x6) 868 in2 [5,600 cm2] per tandem
Air System: - Reservoir capacity, 6530 cubic inches, Air dryer,
AD-IS integral with wet tank; Compressor 15.7 cfm
CAB
Construction - Oshkosh extra heavy-duty All steel construction with
galvannealed exterior Full length piano type door hinges with stainless
steel hinge pins Full width stationary rear window Fully rustproofed
One-piece reverse slope windshield RH door curb window Tinted
safety glass throughout 3-point rubber mounted 72 in [1,829 mm]
cab width
Standard Accessories - Air and electric horns Air horn snow shield
Bostrom® Sierra Air 400RX driver seat and passenger seat Cigar lighter
and ash tray Dual sun visors Dual top mounted electric windshield
wipers with intermittent speed control Floormat Fresh air type heater
and defroster Grab handles Self-canceling turn signals Three-point
seat belts Tilt/telescoping steering column West Coast heated motorized
mirrors with integral separately controlled convex lens Windshield washer
Instrumentation - Gauges, multiplex panel: fuel level, coolant temperature,
dual air system pressure, voltmeter, speedometer, tachometer with engine
hourmeter Low air pressure buzzer-light Low oil pressure and high
coolant temperature warning lights and buzzer Manual reset type circuit
breakers Transmission temperature light Transfer case hi-lo indicator
CHASSIS EQUIPMENT
Air dryer Cable drain, inside air tank Back-up alarm Butterfly type
fiberglass hood Crankshaft PTO adapter Single 50 gal (189 L) fuel
tank under left hand door Single piece steel fenders Heated fuel/water
separator Battery box under right hand door Vertical cab mounted
exhaust Ether start Stainless steel grille 2-ft integral frame extension
at front for equipment mounting Access steps, front Frame mounted
tow hooks (2) rear
COOLING SYSTEM
Radiator Core - Fin and tube type
Frontal Area - 1,100 in2 [7,097 cm2]
Radiator Construction - Bolted, with built-in deaeration system
Transmission/Converter Oil Cooler - Oil-to-water type
Engine Air Intake Cooler - Mounted in front of radiator
Fan - Temperature controlled clutch with engine mounted fan ring
ELECTRICAL SYSTEM
Alternator - 145 amp
Lighting - 12 volt
Starting - 12 volt
Battery - Three 12 volt, 950 CCA each @ 0°F [-18°C] (2,850 CCA total)
SUSPENSION
Front - Type - Hotchkiss, semi-elliptic spring
Main - 7 leaf, 48 x 3 in [1,219 x 76 mm]
Auxiliary - 5 leaf, 39.63 x 3 in [1,006 x 76 mm]
Rating - 25,000 lb [11,340 kg]
Rear (4x4) Type - Hotchkiss, semi-elliptic spring
Main - 15 leaf, 50.13 x 3 in [1,273 x 76 mm]
Auxiliary - 6 leaf, 34 x 3 in [864 x 76 mm]
Rating - 27,000 lb [12,247 mm]
Rear (6x6) Type - Hendrickson® steel leaf spring, RT-460
Rating - 46,000 lb [20,965 kg]
ENGINE
Make and Type - Caterpillar, C-13 ACERT, in-line 6 cylinder, four cycle
Displacement - 763 in3 [12.5 L]
Horsepower - 380 @ 2,100 rpm
Peak Torque - 1,450 lb/ft @ 1,200 rpm
Governed RPM - 2,100
Engine Protection - Low oil pressure/high coolant
temperature automatic power derate system
TIRES*
Size -Front (4x4) - 395/85R20 - 20 ply
Rear (4x4) - 395/85R20 - 20 ply
Front (6x6) - 395/85R20 - 20 ply
Rear (6x6) - 395/85R20 - 20 ply
Type - Radial
Tread - Michelin XZL
*Various configurations are available.
FRAME
Material - Carbon manganese steel, heat-treated
Type - Single formed channel
Size - 12.38 x 3.88 x .38 in [314 x 98 x 9.5 mm]
Yield Strength - 120,000 psi [827 MPa ] minimum
Section Modulus - 23.49 in3 [384.93 cm3] per rail
RBM - 2,818,000 in-lb [308 844 N•m] per rail
Construction - Grade 8 bolts and locknuts
TRANSFER CASE
Oshkosh Smart-Shift electric over air control range shifter
Model 55000: 2 speed
4x4 – Dorr-Miller auto locking differential
Ratios: 2.66:1 Low, 0.98:1 High
6x6 – Front axle disconnect
LIGHTING
Clearance and marker lights comply with federal regulations Fender
height head lights with integral turn signals Rear-mounted stop/tail/turn
signal lights with back up light Cab light bar for custom light installations
PAINT
Two-part acrylic urethane One prime coat of 2-part epoxy One color
from Oshkosh standard color chart
PROPELLER SHAFTS
Make and Model Front - Dana 1710 Series
Rear (4x4) - Dana 1710 Series
Rear (6x6) - Dana 1810 Series
Inter-Axle - Dana 1710 Series
Dynamically Balanced
Splines - “Glidecoat” treated
STEERING SYSTEM
Make and Model - Sheppard 592S integral hydraulic power gear
ALLISON® GEN 4 SERIES 4 FORWARD 1 REVERSE
4000 RDS STD. RATIOS
4500 RDS OPTIONAL RATIOS
5th (optional)
4th
3rd
2nd
1st
Reverse
0.74:1
1.00:1
1.43:1
1.91:1
3.51:1
4.80:1
0.76:1
1.00:1
1.53:1
2.21:1
4.70:1
5.55:1
RATIO COVERAGE
Forward
5.48:1
7.01:1
RANGE
WHEELBASE
(4x4) WB 158” CA 91” AE 35”
(6x6) WB 175" CT 109" TE 56"
*Other wheel bases and dimension combinations available. Consult factory.
WHEELS*
Size- Front (4x4) - 20.00 x 10.00
Rear (4x4) - 20.00 x 10.00
Front (6x6) - 20.00 x 10.00
Rear (6x6) - 20.00 x 10.00
Type - Steel disc
*Various configurations are available.
OSHKOSH 4X4 P-SERIES
®
™
258.0
91.0
137.5
24.0
48.0
35.0
158.0
OSHKOSH 6X6 P-SERIES
®
™
296.0
106.0
137.5
24.0
48.0
52.0
175.0
56.0
P-SERIES OPTIONS
Oshkosh ALL STEER® electronic all wheel steering system (26K, 46K, and 52K rear only) AM/FM radio with CD player and Weather band Integral
air conditioning High output cab heater Heated windshield Power windows Side window wipers Cab air suspension C-13 ACERT @ 430
and 470 HP Engine brake Engine block heater (120V or 240V) 160 amp alternator High idle/cruise control Various lighting packages Master battery disconnect at battery On-board battery charger (20 amp self regulating) Jump start lugs at battery box Four batteries for total
3800 CCA Pintle hook Single tank fuel capacity of 75, 100, and 120 gallons, left hand side Controlled traction differential in rear axle Heated
expello-valve on wet tank 5-speed transmission Bevel gear differential in transfer case (4 x 4 only) Provisions for underbody blade Provisions
for trailer electric
For reference only. The addition of options will change the listed standard dimensions and weights in some cases. For certified dimensions and weights, consult Oshkosh Corporation. Specifications, descriptions and illustrations in this literature are as accurate as known
at the time of publication but are subject to change without notice. Ratings are general guidelines. Actual ratings vary with application and
duty cycle. Illustrations may include optional equipment and accessories but may not include all standard equipment. Consult Oshkosh
Corporation for additional information.
* Consult factory for complete option list and option compatibility. Other engine ratings may be available.
2307 Oregon Street, P.O. Box 2566, Oshkosh, WI 54903-2566 920-235-9150
www.oshkoshsnow.com
© 2008 Oshkosh Corporation ® Oshkosh, ALL STEER and the Oshkosh logo are registered trademarks of Oshkosh Corporation, Oshkosh, WI ® Allison is a registered trademark of General Motors Corporation, Detroit, MI
® Bostrom is a registered trademark of Bostrom Seating, Inc. of Cudahy, WI ® Michelin is a registered trademark of Michelin, Greenville, SC
P-Series Chassis 2.5M 2/08
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