Machine models

Cat 824 specifications

Classification: Cat wheel-dozer identification.
Entries in this reference
Listing-entry count
1
Short answer

Cat 824: wheel dozer.

Selected configuration figures
ConfigurationDocumented field and quantity
824
Net Power - SAE J1349:2011
405 hp
Operating Weight – Straight Blade (Tier 4 Final/Stage V)
74,966 lb
824 specification matrix — Engine
Specification824
Engine ModelCat® C15
Net Power - SAE J1349:2011405 hp
Rated Speed1800 r/min
Net Power - ISO 9249:2007405 hp
Engine Power - ISO 14396:2002426 hp
Gross Power - SAE J1995:2014434 hp
Peak Net Torque (1,300 rpm)1479 lbf·ft
Torque Rise33%
Bore5.4 in
Stroke6.7 in
Displacement927.6 in³
High Idle Speed2300 r/min
Low Idle Speed800 r/min
Operating Specifications
Specification824
Operating Weight – Straight Blade (Tier 4 Final/Stage V)74,966 lb
Blade Capacity Range5.1-16.2 m3 (6.6-21.2 yd3)
Transmission and speeds
Specification824
Transmission TypeCat planetary - powershift - ECPC
Forward - 13.8 mph
Forward - 26.9 mph
Forward - 312.2 mph
Forward - 421.6 mph
Reverse - 14.3 mph
Reverse - 27.8 mph
Reverse - 313.9 mph
Reverse - 424.7 mph
Hydraulic System Lift/Tilt
Specification824
Pump Flow at 1,800 rpm30.9 gpm
Main Relief Pressure3,771 psi
Maximum Supply Pressure3,495 psi
Cylinders, Double Acting - Lift, Bore and Stroke120 mm × 1070 mm (4.7 in × 42.1 in)
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke140 mm × 230 mm (5.5 in × 9.1 in)
Hydraulic System Steering
Specification824
Steering System - CircuitPilot operated, load sensing
Bore4.5 in
Stroke22.7 in
Steering System - PumpVariable displacement piston
Max Flow at 1,800 rpm44.9 gpm
Relief Valve Setting - Steering3,481 psi
Vehicle Articulation Angle86°
Service Refill Capacities
Specification824
Cooling System30.6 gal (US)
Engine Crankcase9 gal (US)
Transmission17.4 gal (US)
Fuel Tank206.6 gal (US)
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only)8.5 gal (US)
Differential - Final Drives - Front26.4 gal (US)
Differential - Final Drives - Rear29.1 gal (US)
Hydraulic Tank Only35.4 gal (US)
Hydraulic System - Implement/Steering56.5 gal (US)
Air Conditioning System
Specification824
Air ConditioningThe air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 2 kg of refrigerant which has a CO2 equivalent of 2.86 metric tonnes (3.15 tons)
Axles
Specification824
FrontPlanetary – Fixed
RearPlanetary – Oscillating
Oscillation Angle±11°
Braking System
Specification824
Parking BrakeDrum and shoe, spring applied, hydraulic released
BrakesMulti-disc wet (enclosed) 4 WHL
Sound Performance Tier 4 Final / Stage V
Specification824
Operator Sound Pressure Level (ISO 6396:2008)73 dB(A)
Machine Sound Power Level (ISO 6395:2008)113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**110 dB(A)
Dimensions (Approximate)
Specification824
Height to Top of Beacon14.5 ft
Height - Top of Exhaust Stack14.2 ft
Height - Top of Hood10.5 ft
Ground Clearance - Bumper2.8 ft
Centerline of Rear Axle to Edge of Bumper9.3 ft
Centerline of Front Axle to Hitch6.1 ft
Wheel Base12.1 ft
Length - With Blade on Ground - Straight Blade27.6 ft
Ground Clearance to Trunnion1.45 ft
Height - Top of Cab13.5 ft
Width Over Guardrails10.94 ft
Ground Clearance1.8 ft
Straight Blade
Specification824
Capacity6.6 yd³ / 5 m³
Width Over End Bits177.4 in
Height48.4 in
Dig Depth17.6 in
Ground Clearance41.6 in
Maximum Tilt45.9 in
Turning Radius – Outside Corner of Blade23.7 ft
Turning Radius – Inside Corner of Blade10.15 ft
Straight Push Plate Blade
Specification824
Turning Radius – Outside Corner of Blade23.2 ft
Turning Radius – Inside Corner of Blade10.2 in³
Semi Universal Blade
Specification824
Capacity10 yd³ / 7.7 m³
Width Over End Bits174.1 in
Height61.1 in
Dig Depth18.8 in
Ground Clearance42 in
Maximum Tilt44.1 in
Turning Radius – Outside Corner of Blade23.8 ft
Turning Radius – Inside Corner of Blade10.8 ft
Universal Blade
Specification824
Width Over End Bits171.3 in
Height53.1 in
Dig Depth18.1 in
Ground Clearance41.4 in
Maximum Tilt44.6 in
Turning Radius – Outside Corner of Blade23.9 ft
Turning Radius – Inside Corner of Blade11.3 ft
Coal Blade
Specification824
Capacity21.2 yd³ / 16.2 m³
Width Over End Bits189 in
Height68.7 in
Dig Depth18.6 in
Ground Clearance42.2 in
Maximum Tilt48.9 in
Turning Radius – Outside Corner of Blade24.9 ft
Turning Radius – Inside Corner of Blade11.4 ft
Extended Wear Blade
Specification824
Capacity10.6 yd³ / 8.1 m³
Width Over End Bits171.6 in
Ratios
Figure824
Fuel tank per engine horsepower0.48 gal

wheel dozer

The 824 beside its neighbours
Base versionD9T WH824834B
Engine power410 hp434 hp450 hp
WeightD9T WH: 109,180 lb; 834B: 102,195 lb
Fuel capacity235 gal206.6 gal (US)157.2 gal
Wheelbase824: 12.1 ft; 834B: 12.5 ft
824: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumswheel dozerCat and the 824. That is too few titles to say what owners mostly ask about, so the most recent are listed instead2
Used market for the 824 — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-25MachineryTraderCat wheel dozer22
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
824221966 to 2013$15,000$208,000$77,296None shown
824: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionCat together with the wheel dozer 824No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Manufacturer
  • Manufacturer: Cat 824 — Caterpillar Inc.. Observed 2026-09-24.
Forum threads
Used-market listings
Federal agency data

Cat 824: Configuration records

824
SpecificationSource figure
Engine
Bore — Engine5.4 in
Stroke — Engine6.7 in
Net Power - SAE J1349:2011405 hp
Rated Speed1800 r/min
Net Power - ISO 9249:2007405 hp
Engine Power - ISO 14396:2002426 hp
Gross Power - SAE J1995:2014434 hp
Peak Net Torque (1,300 rpm)1479 lbf·ft
Torque Rise33%
High Idle Speed2300 r/min
Low Idle Speed800 r/min
Operating Specifications
Operating Weight – Straight Blade (Tier 4 Final/Stage V)74,966 lb
Blade Capacity Range5.1-16.2 m3 (6.6-21.2 yd3)
Transmission and speeds
Transmission TypeCat planetary - powershift - ECPC
Forward - 13.8 mph
Forward - 26.9 mph
Forward - 312.2 mph
Forward - 421.6 mph
Reverse - 14.3 mph
Reverse - 27.8 mph
Reverse - 313.9 mph
Reverse - 424.7 mph
Hydraulic System Lift/Tilt
Pump Flow at 1,800 rpm30.9 gpm
Main Relief Pressure3,771 psi
Maximum Supply Pressure3,495 psi
Cylinders, Double Acting - Lift, Bore and Stroke120 mm × 1070 mm (4.7 in × 42.1 in)
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke140 mm × 230 mm (5.5 in × 9.1 in)
Hydraulic System Steering
Steering System - CircuitPilot operated, load sensing
Steering System - PumpVariable displacement piston
Max Flow at 1,800 rpm44.9 gpm
Relief Valve Setting - Steering3,481 psi
Vehicle Articulation Angle86°
Bore — Hydraulic System Steering4.5 in
Stroke — Hydraulic System Steering22.7 in
Service Refill Capacities
Fuel Tank206.6 gal (US)
Cooling System30.6 gal (US)
Transmission17.4 gal (US)
Differential - Final Drives - Front26.4 gal (US)
Differential - Final Drives - Rear29.1 gal (US)
Engine Crankcase9 gal (US)
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only)8.5 gal (US)
Hydraulic Tank Only35.4 gal (US)
Hydraulic System - Implement/Steering56.5 gal (US)
Air Conditioning System
Air ConditioningThe air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 2 kg of refrigerant which has a CO2 equivalent of 2.86 metric tonnes (3.15 tons)
Axles
FrontPlanetary – Fixed
RearPlanetary – Oscillating
Oscillation Angle±11°
Braking System
Parking BrakeDrum and shoe, spring applied, hydraulic released
Sound Performance Tier 4 Final / Stage V
Operator Sound Pressure Level (ISO 6396:2008)73 dB(A)
Machine Sound Power Level (ISO 6395:2008)113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**110 dB(A)
Dimensions (Approximate)
Height to Top of Beacon14.5 ft
Height - Top of Exhaust Stack14.2 ft
Height - Top of Hood10.5 ft
Ground Clearance - Bumper2.8 ft
Centerline of Rear Axle to Edge of Bumper9.3 ft
Centerline of Front Axle to Hitch6.1 ft
Length - With Blade on Ground - Straight Blade27.6 ft
Ground Clearance to Trunnion1.45 ft
Width Over Guardrails10.94 ft
Ground Clearance — Dimensions (Approximate)1.8 ft
Straight Blade
Turning Radius – Outside Corner of Blade — Straight Blade23.7 ft
Turning Radius – Inside Corner of Blade — Straight Blade10.15 ft
Ground Clearance — Straight Blade41.6 in
Semi Universal Blade
Ground Clearance — Semi Universal Blade42 in
Width Over End Bits — Semi Universal Blade174.1 in
Height — Semi Universal Blade61.1 in
Dig Depth — Semi Universal Blade18.8 in
Maximum Tilt — Semi Universal Blade44.1 in
Turning Radius – Outside Corner of Blade — Semi Universal Blade23.8 ft
Turning Radius – Inside Corner of Blade — Semi Universal Blade10.8 ft
Universal Blade
Ground Clearance — Universal Blade41.4 in
Width Over End Bits — Universal Blade171.3 in
Height — Universal Blade53.1 in
Dig Depth — Universal Blade18.1 in
Maximum Tilt — Universal Blade44.6 in
Turning Radius – Outside Corner of Blade — Universal Blade23.9 ft
Turning Radius – Inside Corner of Blade — Universal Blade11.3 ft
Coal Blade
Ground Clearance — Coal Blade42.2 in
Width Over End Bits — Coal Blade189 in
Height — Coal Blade68.7 in
Dig Depth — Coal Blade18.6 in
Maximum Tilt — Coal Blade48.9 in
Turning Radius – Outside Corner of Blade — Coal Blade24.9 ft
Turning Radius – Inside Corner of Blade — Coal Blade11.4 ft
Extended Wear Blade
Width Over End Bits — Extended Wear Blade171.6 in
Turning Radius – Outside Corner of Blade — Extended Wear Blade23.9 ft
Turning Radius – Inside Corner of Blade — Extended Wear Blade11.4 ft
Straight Push Plate Blade
Turning Radius – Outside Corner of Blade — Straight Push Plate Blade23.2 ft
Additional specifications
Engine ModelCat® C15
Displacement927.6 in³
BrakesMulti-disc wet (enclosed) 4 WHL
Wheel Base12.1 ft
Height - Top of Cab13.5 ft
Capacity6.6 yd³ / 5 m³
Width Over End Bits177.4 in
Height48.4 in
Dig Depth17.6 in
Maximum Tilt45.9 in

Source

More in Cat: 834B: engine identity/converter application/blade controls, D9T WH, 834G: blade dimensions/lock-up/cooling.