Machine models

Komatsu dozer and grader up to 100 hp specifications

Every Komatsu dozer and grader up to 100 hp model with a full listing.

Short answer

22 Komatsu dozer and grader up to 100 hp models have a page here, 20 crawler dozers and 2 motor graders. The Komatsu dozer and grader up to 100 hp list runs from the D10S-2 to the GD305A-3, at 21 to 180 hp, in 135 listed versions.

The Komatsu dozer and grader up to 100 hp models covered

22 Komatsu dozer and grader up to 100 hp models have a page here, covering 135 listed versions between them.

The Komatsu dozer and grader up to 100 hp range by model and configuration

20 crawler dozer pages: engine power from 21 hp on the D10S-2 to 130 hp on the D50A-18, and the heaviest single listing is the D41S-3 at 24,339 lb. 2 motor grader pages: engine power from 65 hp on the GD200A-1 to 179.7 hp on the GD661A-1. Half of the 135 Komatsu dozer and grader up to 100 hp models sit between 40 and 93 hp, and half of the listed weights on single-model pages fall between 9,546 lb and 24,339 lb. The three most powerful are the GD661A-1 at 179.7 hp, GD625A-1 at 155.6 hp, and GD623A-1 at 155.6 hp. 18 of the 22 pages cover more than one version, and the D20A-3 to D21A-5 has the most, at 12.

Komatsu dozer and grader up to 100 hp: Crawler dozer models

Komatsu crawler dozer models with a page here, ordered by engine power
Model	Engine power	Listed weight	Versions
Komatsu D10S-2	21 hp	4,277 lb	1
Komatsu D20A-3 to D21A-5	35 hp, 39 hp, 40 hp, 40 hp, 40 hp, 35 hp, 39 hp, 39 hp, 40 hp, 39 hp, 37 hp, and 39 hp	See page	12
Komatsu D20Q-5 to D21S-5	39 hp, 39 hp, 39 hp, and 39 hp	See page	4
Komatsu D20P-6A to D21A-7	40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, and 40 hp	See page	12
Komatsu D21A-7E to FD40PL-1	40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, and 40 hp	See page	12
Komatsu D21A-8, D21A-8E0, and D21P-8	40 hp, 43.3 hp, and 40 hp	See page	3
Komatsu FD45P-1	40 hp	9,546 lb	1
Komatsu D31A-16 to D37P-5	63 hp, 63 hp, 63 hp, 68 hp, 70 hp, 71 hp, 63 hp, 81 hp, 70 hp, and 80 hp	See page	10
Komatsu D31A-17, D31Q-17, and D31S-17	66 hp, 66 hp, and 66 hp	See page	3
Komatsu D31A-20E to D31PLL-18	71 hp, 68 hp, 71 hp, 71 hp, 71 hp, 71 hp, 71 hp, 68 hp, 71 hp, 71 hp, 68 hp, and 71 hp	See page	12
Komatsu D31E-20, D31Q-20, and D31S-20	70 hp, 69.8 hp, and 69.8 hp	See page	3
Komatsu D31PLL-20 and D31PLL-20E	70 hp and 71 hp	See page	2
Komatsu D32E-1 and D32P-1	70 hp and 70 hp	See page	2
Komatsu D31EX-21 KOMSTAT II to D39PXI-23	75 hp, 75 hp, 85 hp, 85 hp, 95 hp, 105 hp, 95 hp, 105 hp, 105 hp, and 105 hp	See page	10
Komatsu D31EX-22 to D39PX22	78 hp, 78 hp, 78 hp, 78 hp, 78 hp, and 78 hp	See page	6
Komatsu D40A-1 to D50A-15	80 hp, 95 hp, 80 hp, 80 hp, 95 hp, 95 hp, 90 hp, 90 hp, and 90 hp	See page	9
Komatsu D37P-2A to D41P-5	81 hp, 81 hp, 81 hp, 93 hp, 93 hp, and 95 hp	See page	6
Komatsu D37PX-23	89 hp	16,888 lb	1
Komatsu D41S-3	90 hp	24,339 lb	1
Komatsu D40A-3 to D50P-18A	93 hp, 93 hp, 95 hp, 95 hp, 93 hp, 95 hp, 124 hp, 130 hp, 124 hp, 130 hp, and 130 hp	See page	11

Komatsu dozer and grader up to 100 hp: Motor grader models

Komatsu motor grader models with a page here, ordered by engine power
Model	Engine power	Listed weight	Versions
Komatsu GD200A-1 and GD300A-1	65 hp and 75 hp	See page	2
Komatsu GD305A-3 and 11 related models	100 hp, 130 hp, 124.8 hp, 130 hp, 130 hp, 135.5 hp, 135.5 hp, 155.6 hp, 155.6 hp, 155.6 hp, 155.6 hp, and 179.7 hp	See page	12

Figure 1The 22 Komatsu dozer and grader up to 100 hp models with a page here, counted by kind of machine. A page that covers two or more closely matched models is counted once.

What the Komatsu dozer and grader up to 100 hp list holds

22 pages, ordered by power. D10S-2 (21 hp, 4,277 lb); D20A-3 to D21A-5 (35 hp, 39 hp, 40 hp, 40 hp, 40 hp, 35 hp, 39 hp, 39 hp, 40 hp, 39 hp, 37 hp, and 39 hp); D20Q-5 to D21S-5 (39 hp, 39 hp, 39 hp, and 39 hp); D20P-6A to D21A-7 (40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, and 40 hp); D21A-7E to FD40PL-1 (40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, 40 hp, and 40 hp); D21A-8, D21A-8E0, and D21P-8 (40 hp, 43.3 hp, and 40 hp); FD45P-1 (40 hp, 9,546 lb); D31A-16 to D37P-5 (63 hp, 63 hp, 63 hp, 68 hp, 70 hp, 71 hp, 63 hp, 81 hp, 70 hp, and 80 hp); D31A-17, D31Q-17, and D31S-17 (66 hp, 66 hp, and 66 hp); D31A-20E to D31PLL-18 (71 hp, 68 hp, 71 hp, 71 hp, 71 hp, 71 hp, 71 hp, 68 hp, 71 hp, 71 hp, 68 hp, and 71 hp); D31E-20, D31Q-20, and D31S-20 (70 hp, 69.8 hp, and 69.8 hp); D31PLL-20 and D31PLL-20E (70 hp and 71 hp); D32E-1 and D32P-1 (70 hp and 70 hp); D31EX-21 KOMSTAT II to D39PXI-23 (75 hp, 75 hp, 85 hp, 85 hp, 95 hp, 105 hp, 95 hp, 105 hp, 105 hp, and 105 hp); D31EX-22 to D39PX22 (78 hp, 78 hp, 78 hp, 78 hp, 78 hp, and 78 hp); D40A-1 to D50A-15 (80 hp, 95 hp, 80 hp, 80 hp, 95 hp, 95 hp, 90 hp, 90 hp, and 90 hp); D37P-2A to D41P-5 (81 hp, 81 hp, 81 hp, 93 hp, 93 hp, and 95 hp); D37PX-23 (89 hp, 16,888 lb); D41S-3 (90 hp, 24,339 lb); D40A-3 to D50P-18A (93 hp, 93 hp, 95 hp, 95 hp, 93 hp, 95 hp, 124 hp, 130 hp, 124 hp, 130 hp, and 130 hp); GD200A-1 and GD300A-1 (65 hp and 75 hp); GD305A-3 and 11 related models (100 hp, 130 hp, 124.8 hp, 130 hp, 130 hp, 135.5 hp, 135.5 hp, 155.6 hp, 155.6 hp, 155.6 hp, 155.6 hp, and 179.7 hp). By kind: 20 crawler dozers at 21 to 130 hp and 4,277 to 34,811 lb; 2 motor graders at 65 to 180 hp and 11,244 to 30,203 lb.

The engines that recur are 4D95S (13), 6D105-1 (12), 4D105-5 (9), S4D102E (8), and S4D102E-1-A (8).

Other Komatsu equipment directories

New to the figures? Start with the specifications section and the machine classes.

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site RitchieSpecs model listings: RitchieSpecs. As of 2026-09-24, rechecked annual.

Komatsu dozer and grader up to 100 hp questions

Which Komatsu dozer and grader up to 100 hp models are covered here?
Equipment inventory	22 models in 2 kinds of machine: 20 crawler dozers and 2 motor graders.
Named starting references	The list starts with D10S-2, D20A-3, and D20Q-5.

Recorded multi-configuration example
Comparison example	The D20A-3 to D21A-5 page is one example, setting 12 listed versions side by side.
Directory guides recorded	22

Recorded directory source observation
Reference pages	22
Observation date	2026-09-24
First named reference	D10S-2
Last named reference	GD305A-3

Historical listing-coverage record
Recorded field-count cutoff	20
Short listings recorded	82
Examples named in the record	D10S-1, D20PL-7, and D20PLL-7

Historical edition comparison
Configurations recorded	135
Recorded engine-power range	Lower 21 hp Upper 180 hp

Recorded power-to-weight example
Model	D10S-2
Engine hp per 1,000 lb	4.9

Recorded engine-power span
Engine power in this directory	Lower 21 hp Upper 180 hp

Recorded reference date
Observation date	2026-09-24
Configurations in that observation	135

Price coverage of the historical directory
Guides in the stated price-exclusion scope	22

Equipment classes recorded
Count by class	20 crawler dozers and 2 motor graders

Power band for the recorded comparison
Engine-power range	Lower 21 hp Upper 180 hp

Recorded configuration coverage
Configurations	135
Reference pages	22